; H SMITHSONIAN INSTITUTION HARRIMAN ALASKA SERIES VOLUME XIV Monograph of the Shallow-water Starfishes of the North Pacific Coast from the Arctic Ocean to California (WITH 110 PLATES) BY ADDISON EMERY VERRILL Professor Emeritus of Yale University PART 2. PLATES i \ * ' v tff' "N. f*&Sg^ hT\*^r\r; ',-' \' 7/10 ^^BK^y^^t^:-;.^-..'/::: 1,2. HENRICIA TUMIDA Verrill. Type 3, 4. HENRICIA TUMIDA BOREALIS Verrill. Type 5. HENRICIA LEVIUSCULA (Stimpson) 6. HENRICIA LEVIUSCULA (Stimpson), var. DYSCRITA Fisher PLATE XIII. FIG. i. Henricia leviuscula (Stimpson). Details of dorsal side of the typical form ; X i^4- Yale Mus. FIG. 2. The same specimen. Ventral side; with spines partly removed; X i&. Yale Mus. (28) H. A. E. VOL. XIV PLATE XIII wSw 1,2. HENRICIA LEVIUSCULA (Stimpson) PLATE XIV. FIG. I. Henricia leviuscula, var. spatulifera Verrill. Type. Details of ven- tral side ; X 5- Monterey, Calif. Yale Mus., No. 2238. (30) H. A. E. VOL. XIV PLATE XIV J* I. HENRICIA LEVIUSCULA, var. SPATULIFERA Verrill. Type PLATE XV. FIG. i. Solaster stimpsoni Verrill. Type. Same specimen as on pi. x (No. 5407, Yale Mus.). Details of dorsal side of disk; X 3- Yale Mus. FIG. 2. The same specimen. Details of actinal side; O, mouth; t, peroral spines ; X 3- (32) H. A. E. VOL. XIV PLATE XV 1,2. Soi.. \STKK STIMPSONI Vcrrill. Type. No. 5407, Yale Mus. PLATE XVI. FIG. i. Leptasterias epichlora alaskensis, var. carinella Verrill. Young. Dorsal side; natural size. FIG. 2. The same specimen. Actinal side; natural size. Yale Mus. FIG. 3. The same, var. siderea Verrill. Type. Dorsal side; about natural size. FIG. 4. The same specimen. Actinal side; about natural size. Yale Mus. FIGS. 5-6. The same. Very young stages; much enlarged (X about 6). Yale Mus. FIG. 7. Leptasterias dispar Verrill. Type. Dorsal side; about natural size. Yale Mus. FIG. 8. Leptasterias aqualis (Stimpson), var. Ventral side; about natural size. (34) H. A. E. VOL. XIV PLATE XVI i, 2. LEPTASTERIAS EPICHLORA ALASKENSIS, var. CARINELLA Verrill 3-6. The same, var. SIDEREA Verrill. Type 7. LEPTASTERIAS DISPAR Verrill. Type 8. LEPTASTERIAS ^QUALIS (Stimpson), var. X} \ PLATE XVII. FIG. I. Leptasterias coei Verrill. Type. In alcohol. Dorsal side; X Berg Bay. Yale Mus. FIG. 2. The same. Cotype. Specimen with shorter rays from Berg Bay. Actinal view ; X ^A- Yale Mus. (36) H. A. E. VOL. XIV PLATE XVII i, 2. LEPTASTERIAS COEI Verrill. Type. Berg Bay. Yale Mus. 6 PLATE XVIII. FIG. I. Leptasterias aqualis (Stimpson). Typical form, from Monterey Bay. Actinal side; X ^A- FIG. 2. The same specimen. Dorsal side; X ^Vz- FIG. 3. Leptasterias leptalea Verrill. Type. Ventral side ; X i%- Sitka. Yale Mus. FIG. 4. Orthasterias merriami Verrill, sp. nov. Type. Dorsal side; about natural size. FIG. 5. The same specimen. Details. Actinal side; natural size. Juneau. Univ. of Calif. (38) H. A. E. VOL. XIV PLATE XVIII 1,2. LEPTASTERIAS ^EQUALIS (Stimpson) 3. LEPTASTERIAS LEPTALEA Verrill. Type 4, 5. ORTHASTERIAS MERRIAMI Verrill. Type PLATE XIX. FIG. i. Orthasterias merriami Verrill. Type. In alcohol. Actinal side ; natural size. Glacier Bay. FIG. 2. The same specimen. Dorsal side. Yale Mus. (40) H. A. E. VOL. XIV PLATE XIX 1,2. ORTHASTERIAS MERRIAMI Verrill. Cotype PLATE XX. FIG. i. Evasterias acanthostoma Verrill. Type. Actinal side ; % natural size. FIG. 2. The same specimen. Portion of dorsal side ; X I 3 A- Popof Is., Alaska. Professor Ritter. Univ. Calif. (42) H. A. E. VOL. XIV PLATE XX U . V* '* A,' "' - ^-:>.^^--v:;te I, 2. EVASTERIAS ACANTHOSTOMA Verrill. Type PLATE XXI. FIG. i. Pisaster ochraceus (Brandt). Dorsal side; about ^2 natural size. Fie. 2. The same. Actinal side; l /2 natural size. (44) H. A. E. VOL. XIV PLATE XXI 1,2. PISASTER OCHRACEUS (Brandt) PLATE XXII. FIG. i. Evasterias troschelii (Stimpson). Typical form, in alcohol. Actinal side; Xi^. FIG. 2. The same specimen. Dorsal side; X iH- Sitka. Yale Mus. (46) H. A. E. VOL. XIV PLATE XXII 1,2. EVASTERIAS TROSCHELII (StimpSOtl) PLATE XXIII. FIG. I. Orthasterias daivsoni Verrill. Type. Ventral side ; % natural size. FIG. 2. The same specimen. Dorsal side; 7/10 natural size. British Columbia, Canadian Geol. Survey. (48) H. A. E. VOL. XIV PLATE XXIII .. : titft MiP^W' mK& 2 /3 T, 2. ORTHASTERIAS DAWSONI Verrill. Type PLATE XXIV. FIG. i. Orthasterias columbiana Verrill. Type. In alcohol. Actinal side of a ray; X iH- FIG. 2. The same specimen. Dorsal side of a ray; X i^- Yale Mus. Same specimen as pi. xix. FIG. 3. Evasterias acanthostoma Verrill. Type. Part of a ray (dry), side view ; about natural size. Univ. Calif. FIG. 4. Orthasterias columbiana Verrill. Details of actinal side ; X i%- Yakutat, Alaska. Yale Mus. (50) H. A. E. VOL. XIV PLATE XXIV - i, 2. ORTHASTERIAS COLUMBIANA Verrill. Tj-pe 3. EVASTERIAS ACANTHOSTOMA Verrill. Type 4. ORTHASTERIAS COLUMBIANA Verrill PLATE XXV. FIG. i. Evasterias troschelii. Type of Stimpson. Part of a ray, dorsal side ; about 9/10 natural size. FIG. 2. The same specimen. Ventral side. U. S. Nat. Mus. FIGS. 3, 4. Ctenasterias cribraria (Stimpson). Type of Stimpson. Dorsal and ventral sides ; about 9/10 natural size. FIGS. 5, 6. Leptasterias cequalis (Stimpson). Type of Stimpson. Ventral side; about 9/10 natural size. U. S. Nat. Mus. FIGS. 7, 8. Leptasterias hexactis (Stimpson). Type of Stimpson. Ventral side ; about 9/10 natural size. U. S. Nat. Mus. (S*) H. A. E. VOL. XIV PLATE XXV 1,2. EVASTERIAS TROscHELii (Stimpson). Type of Stimpson 3,4. CTENASTERIAS CRIBRARIA (Stimpson). Type of Stimpson 5,6. LEPTASTERIAS ^QUALIS (Stimpson). Type of Stimpson 7,8. LEPTASTERIAS HEXACTIS (Stimpson). Type of Stimpson 8 PLATE XXVI. FIG. I. Evasterias troschelii Stimpson. Typical form from Sitka. Dorsal side; about l /z natural size. FIG. 2. The same specimen. Details of actinal side; X i23- Yakutat. Yale Mus. (54) H. A. E. VOL. XIV PLATE XXVI q&g'&fS R.S* T. _'. F.VASTKRIAS TROSCHELTI (StimpSOll) PLATE XXVII. FIG. I. Asterias acervata Stimpson. Type. Dorsal side ; about % natural size. U. S. Nat. Mus. FIG. 2. The same specimen. Ventral side; about % natural size. (56) H. A. E. VOL. XIV PLATE XXVII i. ASTERIAS ACEKVATA Stimpson. Type PLATE XXVIII. FIG. i. Leptasterias epichlora alaskensis Verrill. Type. Dorsal side; natural size. FIG. 2. The same specimen. Ventral side; natural size. Yale Mus. (58) H. A. E. VOL. XIV PLATE XXVIII i, 2. LEPTASTERIAS EPICHLORA ALASKENSIS Verrill. Type PLATE XXIX. FIG. i. Pycnopodia helianthoides (Brandt) Stimpson. Actinal side; about Yz natural size. Yale Mus. FIG. 2. Dermasterias imbricata (Grube) Perrier. Dorsal side; y$ natural size. Yale Mus. (60) H. A. E. VOL. XIV PLATE XXIX 1. PYCNOPODIA HELIANTHOIDES (Brandt) 2. DERMASTERIAS IMBRICATA (Grube) PLATE XXX. FIG. i. Pycnopodia helianthoides (Brandt) Stimpson. Same specimen as pi. xxix, fig. i. Details of dorsal side; X 2 l / 2 . (62) H. A. E. VOL. XIV PLATE XXX - J L "^ ^ " 9< ' Me s *v ', Nr ? y?^; i ^ -.^^ jsrse PYCNOPODIA HEI.IANTHOIDES (Brandt) PLATE XXXI. FIG. I. Pycnopodia helianthoides (Brandt). Young, in alcohol. Dorsal side; X about 5. FIG. 2. The same specimen. Actinal side. These figures show the inter- budding of new rays, symmetrically to a median plane indicated by the arrows; a, a, last- formed rays; b, b', previous or first pair of interpolated rays, one on either side of a primary odd ray. (6 4 ) H. A. E. VOL. XIV PLATE XXXI b' V 1,2. PYCNOPODIA HELIANTHOIDES (Brandt). Young, in alcohol PLATE XXXII. FIG. i. Pteraster tesselatus Ives. Ventral side of an alcoholic specimen; about 24 natural size. FIG. 2. The same specimen. Dorsal side. Yale Mus. (66) H. A. E. VOL. XIV PLATE XXXII PTERASTER TESSELATUS Ives PLATE XXXIII. FIG. i. Luidiaster dawsoni (Verrill) Ludwig. Type. Dorsal side; about natural size. Canadian Geol. Survey. (68) H. A. E. VOL. XIV PLATE XXXIII LUIDIASTER DAWSONI (Verrill) Ludwig. Type TO PLATE XXXIV. FIG. i. The same specimen as pi. xxxin. Details of lower side of disk; P, P, P, pectinate or fasciolated pedicellariae ; X about 6. (70) H. A. E. VOL. XIV PLATE XXXIV LUIDIASTER DAWSONI (Verrill) Ludwig. Type. Details PLATE XXXV. FIG. I. Orthasterias columbiana Verrill. Type. Same specimen as pi. xxiv, fig. 4. Dorsal side; ^2 natural size. Yakutat. Yale Mus. FIG. 2. Luidiaster dawsoni (Verrill) Ludwig. Type. Same specimen as pis. xxxiii and xxxiv. About Y$ natural size. Geol. Surv. Canada. (73) E. VOL. XIV PLATE XXXV <**'--' A^'fcS** ** ^ ^* \ ^ ^y! "' T ^m&^^ ^^ 1. ORTHASTERIAS COLUMBIANA Verrill. Cotype 2. LUIDIASTER DAWSONi (Verrill) Ludvvig. Type PLATE XXXVI. FIG. I. Pisaster paucispinus (Stimpson) Verrill. Type of Stimpson. Dorsal view; about y$ natural size. FIG. 2. The same. Actinal view; about ^ natural size. U. S. Nat. Mus. FIG. 3. Pisaster capitatus (Stimpson) Verrill. Type of Stimpson. Dorsal view ; 2 /3 natural size. FIG. 4. The same specimen. Actinal view; ^ natural size. (74) H. A. E. VOL. XIV PLATE XXXVI 1,2. PISASTER PAUCISPINUS (Stimpson) Verrill. Type of Stimpson 3,4. PISASTER CAPITATUS (Stimpson) Verrill. Type of Stimpson PLATE XXXVII. FIG. i. Pisaster giganteus (Stimpson) Verrill. Type of Stimpson. Dorsal view ; about y$ natural size. FIG. 2. The same specimen. Actinal view. U. S. Nat. Mus. (76) H. A. E. VOL. XIV PLATE XXXVII &--' ^-> ,; 1,2. PISASTER GIGANTEUS (Stimpson) Verrill. Type of Stimpson II PLATE XXXVIII. FIG. I. Pisaster confertus (Stimpson) Verrill. Type. Dorsal view; about YT. natural size. FIG. 2. The same specimen. Actinal view. U. S. Nat. Mus. (78) H. A. E. VOL. XIV PLATE XXXVIII 1,2. PISASTER CONFERTUS (Stimpson) Verrill. Type PLATE XXXIX. FIG. i. Pisaster fissispinus (Stimpson) Verrill. Type. Dorsal view; about */3 natural size. FIG. 2. The same specimen. Actinal view. U. S. Nat. Mus. (80) H. A. E. VOL. XIV PLATE XXXIX 1,2. PISASTER FISSISPINUS (Stimpson) Verrill. Type PLATE XL. FIG. i. Pisaster lutkenii (Stimpson) Verrill. Type. Dorsal view; about natural size. FIG. 2. The same specimen. Actinal view. U. S. Nat. Mus. (82) H. A. E. VOL. XIV PLATE XL . "' * - -"lj $3&m ^feSSss? r.,*-x *;< 1,2. PISASTER LUTKENII (Stimpson) Verrill. Type PLATE XLI. FIG. i. Pisaster brevispinus (Stimpson) Verrill. Type. Dorsal view; about $/(> natural size. U. S. Nat. Mus. FIG. 2. The same specimen. Actinal view; 5^ natural size. (8 4 ) H. A. E. VOL. XIV PLATE XLI '1?I0& 4*r.m> ! "i*i 1,2. PISASTER BREVISPINUS (Stimpson) Verrill. Type 12 PLATE XLIL Pisaster papulosus Verrill. Type. Dorsal view; about 7/10 natural size. (86) H. A. E. VOL. XlV PLATE XLII HEUOTYPE CO., BOSTON PlSASTER PAPULOSUS VER. Type PLATE XLIII. Pisaster papulosus Verrill. Actinal side of type ; X (88) H. A. E. VOL. XIV PLATE XLIII HELIOTYPE CO., BOSTON PAPUI.OSI s VER. Type PLATE XLIV. FIG. i. Pisaster brevispinus (Stimpson) Verrill. Dorsal view; about Yz natural size. No. 1820, Mus. Comp. Zool. FIG. 2. The same specimen. Dorsal view of a part of the disk, including the madreporic plate ; X 2%. (90) H. A. E. VOI . XIV PLATE XLJV HELIOTYPE CO., BOSTON 1.2. PlSASTER HRKVISI'IM S (ST. PLATE XLV. Pisaster brevispinus (Stimpson) Verrill. Actinal side; X 2^. No. 1820, Mus. Comp. Zoology. (92) H. A. E. VOL. XIV PLATE XLV HELIOTYPE CO., BOSTON PlSASTER BREYISIMM'S (ST.) VER. PLATE XLVI. FIG. i. Solaster stimpsoni Verrill. Profile view of adambulacral, marginal, and adjacent spines; a, a, adambulacral spines, actinal series; a', a' , furrow series ; b, peractinals ; m, m, inferomarginals ; m' ', supramarginals ; d, dorso-lateral spines and plates. FIG. 10. The same specimen. A group of dorsal pseudopaxillae and papular pores ; X about 9. FIG. ib. The same specimen. Dorsal pseudopaxillae from base of ray, vertical and side views; X 17- FIG. ic. The same specimen. A dorsal, dermal, bivalve pedicellaria from near the edge of a papular pore ; X 150. FIG. 2. Solaster galaxides Verrill. Type. Profile view of actinal side ; a, a, plates; X about 7. Lettering as in fig. i. FIG. 20. The same. A group of dorsal pseudopaxillae from another specimen ; X about 17. No. 1897, Mus. Comp. Zool. FIG. 3. Solaster constellatus Verrill. Type. X about 7. Lettering as in fig. i. FIG. 4. The same specimen. A group of dorsal pseudopaxillae and papular pores, seen from above ; X about 9. FIG. 5. Solaster daivsoni Verrill. Type. Profile view of adambulacral and inferomarginal plates and spines from middle part of a ray. Lettering as in fig. I. FIG. 50. The same specimen. A group of dorsal pseudopaxillae and papular pores ; X 9- FIG. 5&. The same. Dorsal pseudopaxillas from the type specimen, vertical and side views ; X 17. (94) H. A. E. VOL. XIV PLATE XLVI 2 II! * HYATT VERRILL DEL. HELIOTYPE CO., BOSTON i-ic. SOLASTER STIMPSONI VER. Details 2.2a. S. GALAXIUES VER. Details. Type 3.4. S. CONSTELLATUS VER. Details. Type 5>5b. S. DAWSONI VER. Details PLATE XLVII. FIG. I. Hippasteria phrygiana (Parel.) Agassiz. Photograph of under side of an Atlantic specimen; enlarged. (96) H. A. E. VOL. XIV PLATE XLVII HIPPASTERIA PHRYGIANA (Parel.) Agassiz photograph of under side of an Atlantic specimen enlarged PLATE XLVIII. FIG. i. Hippasteria phrygiana (Parel.) Agassiz. Part of the dorsal surface of a New England specimen (314) ; X 6. FIG. 2. The same. One of the jaws and adoral plates; a, a', first and second adambulacral plates ; ep, epioral spines ; pr, apical peroral spines ; o, large valvular pedicellaria on first actinal interradial plate ; X6. FIG. 3. The same. Two inferomarginal plates (m") and adjacent interactinals ; X6. FIG. 4. The same. Central part of disk, showing dorsal " anal " or nephridial pore ; X 6. FIG. 5. The same. Three adambulacral plates and spines (o) and adjacent interactinal plates, each bearing a large valvular pedicellaria ; X 6. FIG. 6. Orthasterias tanneri Verrill. a, outer, and a', inner adambulacral spines ; m', supramarginals, and m", inferomarginals ; o, one of the large, acute major pedicellariae ; X 7- From off the Atlantic coast. No. 5524. Yale Mus. (98) H. A. E. VOL. XIV PLATE XLVIII A. H. VERRILL, FROM NATURE. HELIOTVPE CO. 1-5. HIPPASTERIA PHRYGIANA (Parel.) Agassiz 6. ORTHASTERIAS TANNERI Verrill PLATE XLIX. FIG. I. Henricia sanguinolenta, var. pectinata Verrill. Type. From an Atlantic specimen. Part of the dorsal surface ; X 14. FIG. ia. The same specimen. Part of under surface and side of a ray ; a, adambulacral spines; a', inner or groove-spine; p, p, per- actinal row of pseudopaxillx ; m' ' , m', supramarginals ; tn", m", inferomarginals ; b, b, papulae ; X H- FIG. ib. The same. Profile view of one interambulacral and one per- actinal group of spines ; X 14. FIG. 2. Henricia sanguinolenta (Mull.) Bell. Young. Atlantic specimen. Altered from Duncan and Sladen, X 5- FIGS. 3-3?. Major or forficulate pedicellariae of Pisaster ochraceus, much enlarged ; 3, profile view of one of the larger erect, unguicu- late, lateral kind ; 30, 3&, interior surface of valves ; $c, 3LIIN A Yki;. Tv]K' PLATE LXV. FIG. i. Orthasterias forreri (deLoriol) Verrill. Dorsal side; about $i nat- ural size. No. 1823, Mus. Comp. Zoology. FIG. 2. Orthasterias columbiana Verrill. Young. Dorsal side; about natural size. (132) H. A. E. VOL. XIV PLATE LXV HELIOTYPE CO., BOSTON 1. ORTHASTERIAS FORRICKI (LoR.) 2. O. roi. r:\ir.i.\\.\ YKR. VOTM, r8 PLATE LXVI. FIG. i. Orthasterias forreri (Loriol) Verrill. Dorsal view of disk and base of ray; P, major pedicellaria ; X 3%- No. 1823. FIG. 2. The same specimen. Actinal side ; X 3 2 /3- No. 1823, Mus. Comp. Zool. (134) H. A. E. VOL. XIV PLATE LXVI HEUOTYPE CO., BOSTON i.^. ORTIIASTKKIAS i ORKKRI (LoR.) PLATE LXVII. Orthasterias gonolena Verrill. Dorsal view; X i%- Off San Francisco. Yale Mus. (136) A. E. VOL. XIV PLATE LXVII CO., BOSTor. ORTII AS n K i v- GONOI ENA ' PLATE LXVIII. FIG. i. Orthasterias gonolena Verrill. Ventral view of the same specimen as in pi. LXVII ; X 2^- FIG. 2. Orthasterias calif arnica Verrill. Type. Actinal side; X 3/4- (138) H. A. E. VOL. XIV PLATE LXVIII : HELIOTYPE CO., BOSTON 1. ORTHASTI.RIAS C;ONOLEN.\ YER. 2. (). r \r.iioK\H \ Yi R. Tvpe PLATE LXIX. FIG. i. Asterias multiclava Verrill. Type. Portion of the actinal side of a ray ; X about 4*4 FIG. 2. Orthasterias gonolena Verrill. Portion of the actinal side of a ray; X4- FIG. 3. Pisaster brevispinus (Stimpson) Verrill. Portion of actinal side of a ray ; X 3- FIG. 4. Asterias victoriana Verrill. Type. Portion of the actinal side of a ray ; X 2 2 / 3 . FIG. 5. Allasterias anomala Verrill. Type. Portion of the actinal side of a ray; X 5^i St. Michael, Alaska (L. M. Turner, 1874). (140) H. A. E. VOL. XIV PLATE LXIX *; < ' HELIOTYFE CO., BOSTON 1. ASTER i AS MUI.TIC-LAVA \'KR. Tvpc 2. ORTIIASTERIAS GONOI.EXA \ T ER. 3- PlSASTER BREVISPINUS (ST.) 4. ASTERIAS VICTORIANA VER. 5. Al.LASTERlAS ANOMA1.A Vr.R. Tvpe PLATE LXX. FIG. I. Urastcrias linckii (Miiller and Troschel) Verrill. Portion of the actinal side of a ray of a North Atlantic specimen ; X 3- FIG. 2. The same specimen. Portion of the dorsal side of a ray ; X 3- FIG. 3. The same specimen. Madreporite with surrounding pedicellariae and spines ; X 3- FIG. 4. The same specimen. Nephridial pore or so-called " anal pore " and surrounding pedicellariae ; X 3- FIG. 5. Orthasterias californica Verrill. Type. Portion of the actinal side of a ray ; X 4 3 A- FIG. 6. Parasterias albertensis Verrill. Type. Portion of the actinal side of a ray; X 5- British Columbia. Yale Mus. FIG. 7. Orthasterias forreri (Loriol) Verrill. Type. Portion of the dorsal side of a ray, showing the very large minor pedicellarise ; X 5%- FIG. 8. Asterias polythela Verrill. Type. Portion of the dorsal side of a ray ; X 4- Arctic America ; Steamer Corwin. No. 15820. FIG. 9. Orthasterias forreri forcipulata Verrill. Type. Portion of the side of a ray; X 2. (142) H. A. E. VOL. XIV PLATE LXX 2 MFLIOTVPE CO., BO 7- 8. |. I':: VSTERIAS I.INVKII (M. A. TR.) ATLANTIC OKTHASTI RIAS ( AI.l! OKXK A VKK. Tvpi' l'\R \STI.RI \S AI.HKRTENSIS \'KR. 'I'\pc ()R-| IIASTKRIAS FOKR1.RI (LoR.) Asil'KI AS I'OI.VTIIKI.A \ r ER. 'J'vnc y. ORTHASTERIAS FORRKRI FORC -II-IM \ i \ PLATE LXXI. FIG. I. Leptasterias arctica (Murdoch) Verrill. Dorsal side;Xi/^- No. 1428, Mus. Comp. Zool. FIG. 2. L. arctica (Murdoch). Dorsal side; X i%. Same number. Both from Alaska. d44) H. A. t. VOL. XIV LXXI x/l X72 HELIOTVPE CO.. BOSTON 1.3. LKPTASTERIAS ARCTICA (MuR.) PLATE LXXII. FIG. i. Leptasterias arctica (Murdoch). Actinal side; X 4- Alaska. No. 1428. Mus. Comp. Zool. FIG. 2. Asterias polythela Verrill. Type. Actinal side ; X 3%. Arctic Alaska, Steamer Corwin. No. 15820. (146) H. A. E. VOL. XIV PLATE LXXII HELIOTYPE CO., BOSTON 1. LEHTASTERJAS ARCTICA (Mi'R.) 2. A.STERIAS POLYTIIF.I A YtfR. Type PLATE LXXIII. FIG. i. Pycnopodia helianthoides. Young, with sixteen rays, showing regular normal mode of interpolation of new rays ; I, odd anterior primary ray; 2, 3, 4, 5, 6, successive pairs of interpolated rays; a, odd posterior primary ray; b, b' and c, c' second and third pairs of primary posterior rays ; X 2. FIG. 2. Leptasterias inequalis Verrill. Type. Dorsal side; a, ossicles, with spines removed ; X 2. (148) . E. VOL. XIV PLATE LXXIII ' " HELIOTYPE CO., BOSTON i \ HELIANTHOID1 ^ (I"?!!.! Yo\ L,I-VASTKJUA^ ;vK(^j-A! is \ T ER. Type 2O PLATE LXXIV. FIG. I. Pycnopodia helianthoides. Very young, with nine rays; i, odd anterior primary ray; 2, 2', first pair of interpolated rays; 3, small budding ray of second pair ; 3', position in which the mate to No. 3 should appear, but no rudiment of it is visible externally ; a, odd posterior primary ray; b, b r and c, c' , second and third pairs of posterior primary rays ; X 3&&- From Dutch Harbor, Alaska. FIG. 2. The same. A somewhat larger specimen with ten rays, in normal order ; X 3H- Lettering as in fig. i. From Kadiak. FIG. 3. The same. A somewhat larger, abnormal, oblong young specimen with eighteen rays, not all in regular order (see page 200) ; m, madreporic plate of abnormal size; X 2%. Lettering of rays as in fig. 2, with the addition of pairs 4 and 5 anteriorly, and d, d' and e, e' posteriorly. The last two pairs are abnormal; c is an abnormal budding ray. From Kadiak, Alaska. FIG. 30. The same specimen. Actinal side ; X 3- Lettering as in fig. 3. FIG. 4. Stenasterias macropora Verrill. Type. Portion of the actinal side with the spines removed ; X 3- FIG. 5. Leptychaster padficus Fisher. Dorsal view; X about 2. FIG. 6. Pycnopodia helianthoides (Brandt). Minor pedicellariae ; a, b, c, side and profile views; X 165. dso) H. A. E. VOL. XIV PLATE LXXIV Vf* X165 HEUIOTYPE CO., BOSTON 1-33. PVCNOPODIA HELIANTHOIDES (BR.) YoL.NC. 4. STENASTERIAS MACRO PORA VER. 5. LEPTYCHASTER PACIKICUS FISHER 6. P. HELIANTHOIDES (BR.) PLATE LXXV. FIGS. i-id. Orthasterias merriami Verrill. Spines and pedicellarise from No. 1181; i, a, b, c, and ic, ordinary dorsal spines; la, a, b, c, marginal spines; ic, adambulacral spines; ib, a stout dorsal with a major pedicellaria attached; id, inf eromarginal ; X 14; No. 1181, Mus. Comp. Zool. FIGS. 2-2b. Orthasterias dawsoni Verrill. Type. Spines and pedicellarise, X20; 2, a, b, large valves of major pedicellarise; 20, dorsal spines; a, with wreath of minor pedicellarise; b, c, pedicel- lariae removed; 2b, adambulacral spines; a, b, from inner row ; c, d, from outer row. FIGS. 3~3c. Orthasterias koehleri (deLoriol) Verrill. Type. After de Loriol; 3, part of dorsal side, about natural size; 30, four dorsal ossicles and spines ; 3&, portion of actinal side, X 3^i a major pedicellaria; X 16. (152) H. A. E. VOL. XIV A HYATT VERRILL DEL. x!6 I -id. ASTERIAS KATHERINAE GRAY 2-2b. O. DAWSONI VER. Type 3-3C. O. KOEHLER1 (LOR.) HELIOTYPE CO., BOSTON PLATE LXXVI. FIGS. i-ib. Pisaster brevispinus (Stimpson). Spines and pedicellarise of No. 1301, Mus. Comp. Zool., Gulf of Georgia, X 8 ; a, b, c, dorsal spines ; la, b, c, pedicelled clusters of adambulacral pedicellariae, from inner edge and within the groove, consist- ing of both major and minor kinds, of various sizes, attached to a common pedicel; ib, tip of a sucker-foot with pedicellariae attached. FIGS. 2-2d. Pisaster papulosus Verrill. Type. 2, a, b, c, marginal spines; 2a, a-e, clusters of adambulacral or furrow pedicellariae attached to a common pedicel and containing both sorts ; /, a minor pedicellaria much enlarged ; 2b, a-d, minor pedicellariae more enlarged ; 2C, a-d; and 2d, b-f, dorsal and lateral large dermal major pedicellariae of several forms ; 2d, a, is an adambulacral group. dS4) H. A. E. VOL. XIV PLATE LXXVI A. HYATT VE3RILL ;EI . HELIOTVPF r.O., BOSTON I-ll). PlSASTRR PAPULOSUS VER. VAK. 2-2 1!. P. PAPULOSUS VEK. Type PLATE LXXVII. FIGS. i-id. Orthasterias forreri (Loriol) Verrill. Spines and pedicellarise ; i, a, dorsal spine with pedicellariae removed, X 8; i, b, lower marginal ; c, upper marginal ; d, outer adambulacral ; e, inner adambulacral spine ; X 17 ; f, g, h, some of the detached minor pedicellariae; la, two of the minor pedicellarise grasping a fiber of hemp from the tangles; ib, ic, dermal minor pedi- cellariae from the dorsal side, Xi?; *d, a-f, dermal major pedicellarise from dorsal and lateral areas. FIG. 2. Orthasterias leptolena Verrill. Type. Major pedicellariae; a-d, four varieties from the dorsal and lateral areas ; X !? FIG. 3. Allasterias forficulosa Verrill. Minor pedicellariae ; a, with valves united ; b, c, detached valves ; X 146. FIG. 30. The same; a, b, c, detached valves of major pedicellariae; X 74- (156) HYATT VERRILL DEL. HELIOTYPE CO.. BOSTON i-id ORTHASTERIAS (STYLASTERIAS) FORRERI (Loi<.) 2. O. LEPTOLENA VER. Type 3-33. ALLASTERIAS ANOMALA VER. Type 21 PLATE LXXVIII. FIG. i. Orthasterias columbiana Verrill. Cotype. A dorsal spine and minor pedicellariae from the largest specimen from Victoria ; X 13- Prov. Mus. British Columbia. FIG. ia. The same. Type, a-i, large dermal major pedicellariae from the dorsal and lateral areas; X H. FIG. ib. The same. Type, a-d, minor pedicellariae ; X 48. FIG. ic. The same. A pedicelled adambulacral major pedicellaria; X 17- FIG. id. The same. Type, a-f, major pedicellariae from the dorsal and lateral areas ; X 17- FIG. le. The same. End views of two of the larger major pedicellariae; X 17- FIG. 2. Allasterias rathbuni nortonensis Verrill. Adambulacral (a) ; per- actinal (c) ; and inferomarginal (d, d) groups of spines; a', a', inner or furrow-spines on alternate plates ; p, p, papulae and der- mal pedicellariae ; p', p', adambulacral pedicellariae ; X 6. FIG. 3. Allasterias anomala Verrill. Type. X 6. Lettering as in fig. 2. FIG. 4. The same. Major pedicellariae (a) and detached valves (c-e) ; X74- (158) H. A. E. VOL. XiV PLATE LXXVIII X74 A HYATT VERRILI DEL. ,. , . . t-ie. OK-I -IIASTERI.NS i -.)!..! \ini.\.\.\ \ I:K. Cotype 2. Al.I.AS'l KK1AS KATIUJl'M M >UTs )\ KNSIS VfiR. .5-^. A. ANOAJALA \"KK. Tvpe PLATE LXXIX. FIG. i. Asterias polythela Verrill. Type. Detached valves of minor pedicel- lariae mounted in balsam ; a-d; X 88. FIG. 2. The same specimen. Spines and pedicellariae ; a, b, adambulacral spines ; c, a marginal spine with pedicellariae removed ; X 10. FIG. 20. The same specimen, a-d, larger and smaller dorsal spines ; X 16. FIG. 3. Orthasterias columbiana Verrill. Largest specimen from Victoria. Cotype. Spines, with pedicellariae and skin removed ; a, b, outer adambulacrals ; c, inner one ; X 10. FIG. 30. The same specimen. Spines cleaned of skin and pedicellarise except d; a, b, dorsals; c, upper marginal; d, dorsal covered with a sheath bearing pedicellariae near the tip; X 10. FIG. 3&. The same specimen. Minor pedicellariae mounted in balsam ; c, d, entire ; a, b, e, dislocated valves ; X 88. FIG. 3c. The same specimen. Dermal major pedicellarise from the dorsal and lateral areas ; X 16. (160) H. A. t. VOL. XIV PLATE LXXIX A. HYATT VERRIU DEL. HELIOTYPE CO., BOSTON [-23 ASTKKIAS roi.Yini:i.\ VKK. "I 3-30 ORTHASTJERIAS COLI MKI\\\ '<'} K. PLATE LXXX. FIG. I. Orthasterias forreri (de Loriol) Verrill. Minor pedicellarise, a, b, c, d, mounted in balsam ; X 25. FIGS, la, la'. The same specimen. Two large dorsal dermal major pedicel- larise; X 10. FIG. ib. The same specimen, a-d, four detached valves of minor pedi- cellarise, mounted in balsam; X 45- FIG. ic. The same specimen. A cleaned dorsal spine; X 5- FIGS, id, le. The same. Dorsal plates; X 5- id, dorso-lateral with a spine; le, carinal seen from inner side; c, connective ossicle; d, d', facets for articulation of transverse connective ossicles. FIG. 2. Orthasterias dawsoni Verrill. Type, a-f, disarticulated valves of minor pedicellariae mounted in balsam; g, one entire; X83. FIGS. 3, 30. Orthasterias calif ornica Verrill. Type. Minor pedicellariae mounted in balsam; 30, a, b, are entire; the rest, c, f, are disarticulated valves ; X 83. FIG. 4. Pisaster papulosus Verrill. Type. Major pedicellaria ; X 10. (162) H. A. E. VOL. XIV PLATE LXXX 10 A HVATT VERRILI UEL. HELIOTVPt CO., BOSTON i-ie. ORTHASTERIAS FORRKRI (Lou.) Type (). DAWSONI VER. Type 3-5.1. O. CALIFORNICA VER. Type 4 PISASTER PAHULOSIS \'ER. Type PLATE LXXXI. FIG. I. Distolasterias chelifera Verrill. Type. Dermal major pedicellariae ; a, b, c, d, are elongate, strongly unguiculate forms ; e is a stouter form, and not unguiculate ; X 28. No. 1346, Mus. Comp. Zool. FIG. la. The same specimen. One of the dorsal spines bearing a wreath of minor pedicellariae, P, P; X 8. FIG. ib. The same specimen. Spines cleaned; a, marginal spine with pedicel- lariae removed ; b, outer adambulacral ; c, inner adambulacral ; e, f, adambulacral major pedicellarise; X 28. FIG. 2. Orthasterias californica Verrill. Type, a, an inferomarginal spine, cleaned; b, a dorsal spine with a wreath of minor pedicellarise; XI2. FIG. 20. The same specimen, a, outer ; b, inner adambulacral spine ; X 12. FIG. 2b. The same specimen. Major pedicellarise; a, b, c, d, e, dorsal; f, g, adambulacral ; h, i, actinal interradial ; X 12. FIG. 3. Orthasterias dawsoni Verrill. Type. Dermal major pedicellarise ; a, b, stout dorsal form ; c, d, e, more slender spatulate or platalei- form sorts from the lateral area ; X 12. FIG. 30. The same specimen. Spines; a, b, c, dorsal spines treated with Javelle water to remove most of the pedicellariae ; X 12. FIG. 3&. The same specimen. Inferomarginal spines ; a, b, a pair with pedicel- lariae ; c, d, a smaller pair cleaned with Javelle water ; X 12. (164) H. A. E. VOL. XIV PLATE LXXXI A. HYATT VERRIIL DEL. HELIOTVPE CO., BOSTON I-lb. DlSTOLASTERIAS CHELIFERA VER. Type 2-2b. OR niASTERiAS CALIFORNICA Vsr. Type 3-3h. O. DAWSONI VKR.Type 22 PLATE LXXXII. FIG. i. Asterias victoriana Verrill. Type, a, b, adambulacral spines with epispinal clusters, p, p, of pedicellariae of both sorts ; X 18. FIG. 10. The same specimen. Dorsal spines; a, one of the larger, and b, one of the smaller sorts ; P, minor pedicellariae ; X 18. FIG. ib. The same specimen. An inferomarginal spine and minor pedicel- ' lariae ; X 18. FIG. ic. The same specimen, a, b, two of the major pedicellarise ; X 25. FIG. 2. Orthasterias biordinata Verrill. Type. Group of spines of the actinal side; a', inner, and a, outer adambulacrals ; b, peractinals; c, d, inferomarginals ; X S/^- FIG. 20. The same specimen, a, dorsal spine ; b, adambulacral spine ; X 12. FIG. 2&. The same specimen. Dorsal dermal major pedicellarise, front and profile views ; X 12. FIG. 3. Orthasterias gonolena Verrill. Spines cleaned with Javelle water; a, b, outer adambulacrals ; c, marginal ; X 18. No. 1825, Mus. Comp. Zool. FIG. 30. The same specimen. A large denticulate dermal major pedicellaria from the lateral or intermarginal area ; X 18. FIG. 3&. The same specimen. Major pedicellaria from the outer adambulacral spines ; X 18. FIG. 4. The same specimen (No. 1825). Spines; a, one of the dorsal spines with a basal wreath of minor pedicellariae; b, inferomarginal, cleaned; c, d, outer adambulacrals; e, inner adambulacral; X 18. FIG. 40. The same; a, b, c, major pedicellariae; details; X 18. (166) H. A. E. VOL. XIV PLATE LXXXII HlLUjfYPE CO., BOSTON J-1C. A.STKKIAS VICTORIANA VER. Type 2-2b. ORTHASTERIAS BIORDINATA VER. Type 3-36., 4., 43. O- GONOI-ENA \ r !,K. PLATE LXXXIII. FIG. I. Asterias katherince Gray. Spines with pedicellariae ; a, adoral adam- bulacral; b, inner adambulacral ; c, d, outer adambulacral ; e, f, peractinals; g, h, inf eromarginals ; X n. FIG. 2. Leptasterias arctica (Murdoch). Spines and major pedicellariae; a, adambulacral spine; b, c, adambulacral major pedicellariae; d, axillary or interradial one ; e, unguiculate marginal one ; X 25. FIG. 20. The same specimen. Finer spined variety. Portion of the dorsal surface showing spines, c, d, d' ; papulae, a, a; minor pedicellariae, f, f; papular pores, a'; X . FIG. 3. Allasterias forficulosa Verrill. Type. Portion of the dorsal surface, showing spines, c, d; papulae, a, a; papular pores, a'; dermal major pedicellariae, e, e; circumspinal minor pedicellariae, f, f; dermal minor pedicellariae, /' /'; X n. Japan. No. 1183. ,Mus. Comp. Zool. FIG. 30. The same specimen. Adambulacral spines, a, b, c, and attached major pedicellariae, P, P; d, one of the same, detached; X 16. FIG. 3&. The same specimen, a-e, marginal spines ; X 16. FIG. 3C. The same specimen. Major pedicellariae; a, b, c, d, dorsal dermal; e, marginal ; f, axillary ; X 25. (168) H. A. E. VOL. XIV LATE LX.XXIH *. HYATT VERRIIL DEL. HELIOTVPE CO., BOSTON I. ASTERIAS KATHERINAE GRAY ^-2a. LEPTASTKKI \- ARCTICA (MuR.) T,.y. ALI.ASTI.KJAS KORKICULOSA VKR. T PLATE LXXXIV. FIG. I. Allasterias forficulosa Verrill. Type. Minor pedicellariae mounted in balsam ; a, b, c, entire ; d-h, detached valves ; X 88. Japan. No. 1183, Mus. Comp. Zool. FIG. 2. Asterias multiclava Verrill. Type. Minor pedicellariae in balsam ; a, entire ; b-c, separated valves ; X 88. FIG. 2a. The same specimen. Dermal dorsal major pedicellariae; a, b, sepa- rated valves ; X 88. FIG. 3. Asterias polythela Verrill. Type. Adambulacral spines and pedicel- lariae; X 10. FIG. 4. The same specimen. Spines with adhering pedicellariae ; a, b, c, dor- sals; d, e, adambulacrals with major pedicellariae; X 16. FIG. 5. Stenasterias macropora Verrill. Type, a-g, dorsal spines, mostly from bases of rays ; X 16. FIG. 50. The same specimen. Adambulacral spines, a-d; X 16. FIG. 5&. The same specimen, a, adoral spine with pedicellariae; c, d, e, mar- ginal spines, X 16 ; b, oral pedicellariae, X SO. FIG. 50. The same. Group of ossicles of actinal side ; ad, adambulacrals ; i, peractinals ; im, inferomarginals ; sm, supramarginals ; X 10. FIG. $d. The same. Adoral adambulacral plates (ad), and spine with pedi- cellariae (/>). FIG. $e. The same. Adoral portion of the groove, with large pores of sucker- feet; ad, adambulacral plates; o, oral spines; X 10. FIG. 5/. Portion of groove and plates from middle of ray; a, a, ambulacral plates and large pores; ad, adambulacral plates; i, peractinals; Xio. FIG. $g. The same. Segment of actinal side of a ray deprived of spines ; o, a, ambulacral plates and large sucker pores (s) ; a, d, adambulacral plates ; i, peractinals ; m, inferomarginal ; b, a remaining adambu- lacral spine ; p, p, adambulacral pedicellariae ; r, r, papular pores ; Xio. FIG. 5&. The same. Dorsal side of ray, with spines removed; c, c, median or carinal row of plates ; d, d, and d' d', right and left secondary rows of plates ; e, e', second pair of secondary rows of plates ; m, m', supermarginal rows ; single papular pores lie between the plates in rows ; X 10. FIG. 5. The same. Skeletal ossicles ; a, peractinal plate ; b, superomarginal ; c, inferomarginal ; d, adambulacral ; e, superomarginal ; X 16. (170) H. A. E. VOL. XiV PLATE LXXXIV /& i A 4V; /j| , V ^ ' '; , - ; 'SV f >'' I A. HYATT VERRIll OEL. HELIOTYPE CO., BOSTON !. ALLASTERIAS KORFICI'I.OSA VKR. 'I'\pe J-2&. ASTERIAS Ml LTICLAVA \'ER. 'I'^P' 1 3- 4. A. 1'OLYTHELA V'ER. T\ pe 5-51. STENASTERIAS MACROPORA YKK. Tvpe PLATE LXXXV. FIG. i. Leptasterias epichlora alaskensis Verrill. Type. Dorsal spines, a, b, c, of different sorts ; X 28. Dutch Harbor. FIG. la. The same specimen; a, inferomarginal spine; b, superomarginal ; X28. FIG. ib. The same specimen ; a, b, c, adambulacral spines ; d, peractinal ; X28. FIG. ic. The same specimen; a, b, c, large, erect, intermarginal major pedi- cellariae ; X 28. FIG. id. The same specimen ; marginal spines and pedicellariae ; a, supero- marginal spines; b, c, d, e, inferomarginals ; p, p', major pedicellariae; i, i', minor pedicellariae. FIGS. 2-2e. The same. Young carried by parent, in different stages of growth ; a, b, younger stages ; p, pedicel for attachment ; a, m, podia or ambulacral feet ; X 28. In 2, the form is irregular, with few podia; in 20, the form has become stellate, but with unequal rays. Later stages are regularly stellate ; 2d is five-rayed ; the others are six-rayed like the parent. (172) H. A. E. VOL. XIV PLATE LXXXV , ^-,-v .. A. HYATT VERHILL DEL HELIOTYPE CO., BOSTON LEI>TASTERIAS EPICHLORA AI.ASKKXSIS VER. Tv]ic. \M> V(>r\(, OF THE SAME PLATE LXXXVI. FIG. I. Bunodaster ritteri Verrill. Type. A group of dorsal parapaxillae from the base of a ray ; X 10. FIG. ia. The same specimen. A group of dorsal plates from the base of a ray, with spines removed ; X 10. FIG. 2. Dermasterias imbricata (Grube). Young. One of the interactinal areas deprived of spines ; ad, adambulacral plates, o, jaw plates ; im, inferomarginals ; p, p, first rows ; P', P', second rows of inter- actinal plates ; i, i and 2, 2 and 3, 3, first three pairs of interac- tinal plates ; u, u, odd or unpaired plates ; X 5- FIG. 20. The same specimen; ad, adambulacral plates from near base of ray; p, two rows of interactinal plates ; m, inferomarginals ; X 5- FIG. 2&. The same specimen; o, o, jaw-plates; ad, adoral adambulacrals ; f, rudimentary plates, perhaps superambulacral ; ib, interbrachial septum ; X 5- FIG. 2c. The same specimen. Supramarginal plates, from inner side; i, i and 2, 2, first and second interradial pairs ; X 5- FIG. 3. Solaster stimpsoni Verrill. Type. One of the adambulacral combs of spines. FIG. 4. Pteraster tesselatus Ives. A jaw and adoral parts ; o, o, apical oral spines ; o', o', lateral oral spines ; e, e, hyaline epioral spines ; i, 2, 3, first three pairs of adambulacral combs ; X 5- FIG. 40. The same specimen. Portion from near middle of radial area; am, ambulacral groove; a-d, four combs of adambulacral spines; m, m, actinomarginal spines ; I, latero-ventral surface ; X 5- FIG 4&. The same specimen. Part of an interbrachial area, rendered trans- lucent by varnish ; a, a, a, spinules of parapaxillae as seen through the translucent skin ; m, actinomarginal spines ; ad, adambu- lacrals ; X 5- FIG. 4c. The same. One of the hyaline epioral spines ; X 10. FIG. 5. Henricia sanguinolenta var. rudis Verrill. A group of dorsal pseudo- paxillas from the base of a ray; X 16. Point Franklin. No. 7623. FIG. 50. The same specimen, a-d, adambulacral spines ; X 16. FIG. 6. Henricia tumida borealis Verrill. Type. A group of dorsal ossicles, mostly with spinules removed from the base of a ray; X 10. FIG. 60. The same specimen. Group of dorsal pseudopaxillse, with spinules and papular pores ; X 10. Alaska, Harriman Expedition. d74) K. A. E. VOL. PLATE LXXXVI k. HYATT VERRIIL DEL. HELIOTVPE CO BOSTON I-I3. BtlNODASTER RITTERI VER. Type 2-2C. DERMASTERIAS IMBRICATA (GRUBE) 3- SOLASTER STIMPSONI VER. Type 4-40. PTERASTER TESSELATUS IVES 5-5.1. HENRICIA SANGUINOLENTA, VAR RITIMS VER. 6-6a. H. TUMIDA BOREALIS VER. Type PLATE LXXXVII. FIG. I. Henricia tumida Verrill. Type. Portion of dorsal surface; Xio. FIG. 10. The same specimen. Group of spines of actinal side; a', a', adambulacrals ; b, b', peractinals ; c, c , inferomarginals ; X 10. FIG. 2. Henricia leviuscula spiculifera (Clark). Group of pseudopaxillae from the side of the base of a ray; X 10. Bering Sea. FIG. 20. The same specimen. Group of dorsal ossicles with spines re- moved; X 10. FIG. 2b. The same specimen. Portion of actinal side ; a, a', adambulacral plates and spines; a", furrow-spine; b, b, peractinal pseudo- paxillae ; c, c, inferomarginals ; d, d, superomarginals ; X 10. FIG. 3. Henricia arctica Verrill. Type. Cape Lisburne. Portion of actinal side with spines partly removed; a, a, adambulacral plates; b, b, peractinals; c, c, inferomarginals; d, d, supero- marginals ; e, e, intermarginals ; X 5- FIG. 30. The same specimen, a, a, two adambulacral plates and spines; a', furrow-spine; b, peractinal. FIG. 3&. The same specimen. Group of dorsal pseudopaxillae ; X 5- FIG. y. The same specimen. Group of ossicles from base of ray ; X 5- FIG. 4 Solaster endeca (Linn.) Forbes. Typical from Atlantic; a,b,c, dorsal pseudopaxillae from base of ray; d, superomarginal ; Xio. FIGS 40, 4&. The same specimen. Inferomarginal plates; 40, adoral side; 4&, aboral side ; X 10. FIG. 5. Solaster galaxides Verrill. Type. Portion of actinal side; a, a, adambulacral spines, actinal group ; a', furrow-spines ; b, b, b', peractinals ; c, c, inferomarginals. FIG. 50. The same specimen. Group of dorsal pseudopaxillae and papular pores from the base of a ray ; X 10. FIG. 5&. The same specimen; a, adoral, and b, aboral sides of infero- marginal plates ; c, superomarginal plate ; X 10. FIG. sc. Solaster galaxides Verrill. Cotype. a, actinal group of adambu- lacral spines ; a', furrow-spines ; b, peractinals. No. 1897, Mus. Comp. Zool. FIG. 6. Solaster dawsoni var. arctica Verrill. Type. Dorsal pseudo- paxillae, a, b, c, from base of ray ; X 16. FIG. 60. The same specimen ; inferomarginal plate ; X 16. From Point Franklin. (176) H. A. E. VOL. XIV PLATE LXXXVII la .,. ' W Wb m S rfl -> Kit *. HYATT VtRRILl DEL. hELIOTVRE CC BOSTON i-ia. HENRICIA TUMIDA VER. Type 2-2b. H. LEVIUSCULA SPICULIFERA (CLARK) 3-30. H. ARCTICA VER. Type 4"4b. SOLASTER ENUECA (L.) 5-5C. S. GALAXIDES VER. Type 6-6a. S. DAWSONI ARCTICUS VER. Type PLATE LXXXVIII. FIG. I. Henricia leviuscula var. inequalis Verrill. Type. Portion of the actinal side of a ray ; a, a, enlarged adambulacral spines ; a', a', longer adambulacral spines on inner angle of plate; b, inter- actinals ; c, second row of interactinal pseudopaxillae ; d, infero- marginal plates and spines; X io. No. 5183, Yale Mus. FIG. 10. The same specimen. Group of dorsal pseudopaxillae and papulae from base of a ray; X 10. FIG. 2. Henricia leviuscula var. lunula Verrill. Type. Group of dorsal ossicles from the base of a ray, cleaned ; X 5- British Columbia. Yale Mus. FIG. 20. The same specimen. Plates of the actinal side of the middle of a ray, cleaned ; a, a, adambulacrals ; b, b, peractinals ; c, c, inf ero- marginals; d, d, superomarginals ; e, e, latero-dorsals ; f, two adambulacral spines ; X 5- FIG. 2C. The same specimen. Plates of actinal side, more enlarged (X io). Lettering as in fig. 20. FGI. 2C. The same specimen ; a, adambulacral spines ; a', enlarged inner spine ; a", furrow-spine ; b, peractinal spines ; X io. FIG. 3. Henricia sanguinolenta (Miiller). Typical form from New England. A jaw and adjacent parts; o, o, o' , apical or peroral spines; o", o", lateral adoral spines; a', a", adambulacral spines of first and second free plates ; d, d, exsert papulae ; X 5- Eastport, Me. (coll., A. E. Verrill). Yale Mus., No. 5099. FIG. 30. The same specimen. Spines from the actinal side near the base of a ray ; a, a, adambulacral plates ; a', a", adambulacral spines ; a'", furrow spine ; b, b', interactinal spines ; d, d, papulae ; X 5- FIG. 4. Henricia sanguinolenta miliaris Verrill. Type. From a New Eng- land specimen. A portion of the actinal surface of the middle of a ray; X io. Lettering as in fig. $a, with addition of c, c, the inferomarginal plates. FIG. 40. The same specimen. Group of dorsal pseudopaxillae from near base of a ray; X io. Eastport, Me. (coll., A. E. Verrill). Yale Mus. FIG. 5. Henricia tumida borealis Verrill. Type. Portion of plates and spines from the actinal side near the base of a ray ; X io. Lettering as in figs. 30 and 4. Dutch Harbor, Alaska, Harriman Expedition. Yale Mus. FIG. 50. The same specimen, a, a, ambulacral spines ; a', a', larger spines on edge of groove ; b, b, peractinal spines ; X io. FIG. 5&. The same specimen. Adoral adambulacral plates and spines ; X io. Lettering as in fig. 50. FIG. 6. Orthasterias forreri forcipulata Verrill. Type. Larger dorsal, dermal, major pedicellariae of three sorts; a, b, stout, erect denticulate form; c, spatulate or plataleiform sort; d, lanceolate form ; X 43- FIG. 6a. The same specimen. Minor pedicellariae of different sizes, a-f; X 43- FIG. 7. Pycnopodia helianthoides (Brandt). Spines; a, b, c, dorsals with wreaths of minor pedicellariae; d, the same, cleaned of the pedi- cellariae; f, an adambulacral spine with a pedicellaria (P) attached to its base by a pedicel on the edge of the furrow ; g, an adoral spine, cleaned ; X io. FIG. 70. The same specimen. A group (b, &) of adambulacral overlapping plates; a, a, adambulacral spines; p, p, major pedicellariae on slender pedicels ; X io. FIG. 76. The same specimen, a, b, c, three forms of small lanceolate major pedicellariae ; X 84. FIG. jc. The same specimen, a, b, c, three of the minor pedicellariae ; X 84. FIG. jd. The same specimen. One of the jaws with apical or peroral spines and pedicellariae ; X io. (178) H. A. E. VOL. XIV PLATE LXXXVIII p A. HYATT VERHll DEI MtLIOTVPF CO., BOSTON i-ia. HK.NKK-IA LK.\ n M ULA, V.\R. 2-2C. >i. LEVIUSCULA, VAR. I.l'Nfl.A Vl-'.R. T 3~3a. H. SANGUi.N'H.i, \'i A (MuLL.) Typical 4--(A. H. SANGL'INOLENTA MILIARIS \'EK. Type 5-t;b. II. TI-MIDA BORK.M.is ViiR. Type 6-6a. ORTIIASTERIAS roRRiiRi MiKiiri . VTA \ i '< 'l 7-?d. PVCNOPOIMA 1IF.I.1ANT IIOIDES (BR.) PLATE LXXXIX. FIG. i. Solaster endeca (Linn.) Forbes. Typical. Actinal side of a large New England specimen; 4/9 natural size. Eastport, Me. Yale Mus. FIG. 2. Solaster galaxides Verrill. Type. 54 natural size. Vancouver Is. O8o) H. A. E. VOL. XIV PLATE LXXXIX '^rvv;v;^^fe - "' . *<4- , HELIOTYPE CO., BOSTON 1. SOLASTER ENDECA (L.) ATLANTIC 2. S. GALAXIDES VSR. Type 2 4 PLATE XC. FIG. i. Solaster dawsoni Verrill. Form with different rays; about natural size. Vancouver I., Surv. Canada. FIG. 2. Solaster constellatus Verrill. Type. About & natural size. (182) H. A. E. VOL. XIV PLATE XC - /. * HtLIOTYPE CO., BOSTON 1. SOLASTKR DAWSONI VER. 2. SOLASTER CONSTELLATUS VEK. PLATE XCI. FIG. I. Solaster dawsoni Verrill. Form with fifteen rays. Actinal side ; about natural size. FIG. 2. Solaster dawsoni Verrill. Cotype. Actinal side; about l / 2 natural size. Powell Is. Geol. Surv. Canada. (184) H. A. E. VOL. XIV PLATE XCI HELIOTYPE CO., BOSTON 1.2. SOLASTER DAWSONI VER. PLATE XCII. FIG. i. Solaster dawsoni Verrill. Cotype. Same specimen as pi. xc, fig. 2. Actinal side ; X &/$ Powell Is. (186) H. A. E. VOL. XIV PLATE XCII HELIOTYPE CO., BOSTON SOLASTER DAWSONI VER. Cotvpe PLATE XCIII. FIG. i. Solaster constellatus Verrill. Type. Actinal side; X 5%- Puget Sound. Mus. Univ. of Wash. (188) H. A. E. VOL. XlV PLATE XCIII HELIOTYPE CO., BOSTON SOLASTER CONSTELLATUS VER. Type PLATE XCIV. FIG. i. Solaster constellatus Verrill. Type. Dorsal side ; X 3- FIG. 2. Solaster stimpsoni Verrill. Type. Dorsal side; X 4- (190) H. A. E. VOL. XIV PLATE XCIV > ' V fe *'A ^ n i& k\*$iefci&A fe rji^ > V 1 *> 4- 7 *'.' x "l ; | < > A. v'* *>* - 1 wi f -JI- I ' ^^>*- tf -yamMn^\ wdm:?y3mw>.' Jp$yfe HELIOTYFE CO., BOSTON 1. SOLASTKR CONS'I KI.I.ATliS V r ER. T\|ic 2. Soi.ASTER STIMI'SONI VER. Tvpe PLATE XCV. FIG. I. Solaster stimpsoni Verrill. Type. Dorsal side; X 1^4- No. 5407, Yale Mus. (192) H. A. E. VOL. XIV PLATE XCV I *vX- -~\ '>. \i \i ; IKI.KA \'KK. Typt 26 PLATE XCVIII. FIG. I. Hippasteria spinosa Verrill. Type. Dorsal side; 5^ natural size. Puget Sound. Univ. of Wash. FIG. 2. Amphiaster insignis Verrill. Type. Dorsal side; X i%- La Paz, Lower Calif. Yale Mus. (198) H. A. E. VOL. XIV PLATE XCVIII HEIIOTYPE CO., BOSTON 1. HlI'PASTERIA Sl'IXdSA \'l.K. Tvpe 2. AMIMII ASTI.K INSK.MS \"ER. Tvpe PLATE XCIX. FIG. i. Tosiaster arcticus Verrill. Dorsal side; X FIG. 2. The same specimen. Actinal side ; X i%- Bering Is. U. S. Nat. Mus. (200) H. A. E. VOL. XIV PLATE XCIX ' '"XXI I * ) * fjLj* .<: v c - V. HELIOTYPE CO., BOSTON I .2. ToslASTKR AKITICIS \'EK. Tvpe PLATE C. FIG. i. Astropecten calif ornicus Fisher; % natural size. San Francisco. FIG. 2. Luidia foliolata (Grube). Dorsal side; *fc natural size. San Fran- cisco. FIG. 20. The same. Portion of a ray ; X 4J4. (202) H. A. E. VOL. XIV PLATE C I. As'l KOIM CTKN TALIFORXKTS FlSIIER 2.2a. LnniA FOI,IOI.ATA GRI r.i; PLATE CI. FIG. I. Astropecten calif ornicus Fisher. Dorsal side ; X 3- San Francisco. FIG. 2. The same specimen. Actinal side ; X 2j/$. (204) H. A. E. VOL. XIV PLATE Cl HELIOTYPE CO., BOSTON ASTROPECTEN CALIFORNICUS FlSlIKR PLATE CII. FIG. I. Astropecten calif ornicus Fisher. Young. Dorsal side; X^J^. Off San Francisco. Yale Mus. FIG. 2. The same specimen. Actinal side ; X 2^2. (206) H. A. E. VOL. XIV PLATE CM i-Vi***:** HELIOTYFE CO., BOSTON 1.2. AsTIIol'Kl '] KN t'ALlFORMc t'S I'lSJIKK (Y<)r\(i) PLATE CHI. FIG. I. Luidia clathrata (Say). Dorsal side of ray; X 2^4. Bermuda. FIG. 2. Luidia foliolata (Grube). Dorsal side; X 2j4. San Francisco. Yale Mus. (208) H. A. E. VOL. XIV PLATE GUI HELIOTYPE CO., BOSTON 1. LUIDIA CLATHRATA 2. LUIDIA Kor.ioi. \ TA GKUIJK PLATE CIV. FIG. i. Bunodaster ritteri Verrill. Type. Actinal side; X 3 1 A- Off San Francisco. Yale Mus. FIG. 2. The same specimen. Dorsal side with spines removed on base of one ray; X3 l /3- (210) H. A. E. VOL. XIV PLATE CIV x;,". HELIOTYPE CO., BOSTON Ill-NODASTER RITTKKI Vl'.R. Type PLATE CV. FIGS, i, 10. Bunodaster ritteri Verrill. Type. Portions of the dorsal and actinal surface ; X 5- San Francisco. FIG. 2. Luidia foliolata (Grube). Same specimen as pi. c, fig. 2. Actinal side ; X 2. Off San Francisco. (212) H. A. E. VOL. XIV HEIIOTVPE CO.. BOSTON I.IZl. lil \<)I>.\SIKRRITTKII! Vl-'U. LriDiA FOI.IOLATA ( Ii'.i i;> 28 PLATE CVI. FIGS, i, 2. Evasterias troschelii (Stimpson) Verrill. Young. Dorsal and actinal sides; X i/^- Sitka. Yale Mus. FIG. 3. Asterias acervata Stimpson. A strongly acervate young specimen ; X iH- Nazan, Alaska (Dall). U. S. Nat. , Mus. (214) H. A. E. VOL. XIV PLATE CVI H6LIOT/PE CO., BOSTON 1.2. E\.vSTKKlA> 1KOSCHELII (ST.) Yol'M. .5. ASTERIAS AlT'.RVATA (ST.) ^'"1 N;, PLATE CVII. FIG. I. Mithrodia bradleyi Verrill. Type. Dorsal side ; $ natural size. Yale Mus. FIG. 2. Echinaster tenuispinus Verrill. Type. Dorsal side; ^ natural size. La Paz. Yale Mus. FIG. 3. Henricia leviuscula spiculifera Clark. Actinal side; X i^- Bering Island. U. S. Nat. Mus. (216) H. A. E. VOL. XIV PLATE CVII .; - '"' '* HELIOTVPE CO., BOSTON 1. MlTHRODIA HKADLEVI \ r KR. Type 2. ECHINASTER TENrisrixrs \\:K. Type 3. HENRICIA LEVIUSCULA si-u i LU I;K \ K'I.ARK) PLATE CVIII. FIG. i. Patiria miniata (Brandt). A seven-rayed specimen. Dorsal side; about */$ natural size. Departure Bay, Canada Geol. Survey. FIG. 2. The same. A six-rayed specimen. Dorsal side; about 9/10 natural size. Departure Bay, Canada Geol. Survey. (218) H. A. E. VOL. XIV PLATE CVIII *: -. | m HELIOTYPE CO., BOSTON i. 2. PATIRIA MINIMA \"i R \'arieties { LIBRARYIao PLATE CIX. FIG. i. Orthasterias tanneri Verrill. Cotype. Actinal side of disk, to show jaws and peroral spines; X FIG. ia. The same specimen. Dorsal side of disk, showing spines and pedicellariae ; X 2. FIG. ib. The same specimen. Section of a ray, showing inner surface of skeleton; cut through ambulacral plates and flattened out ; a, a, ambulacral plates ; ad, ad, adambulacral plates ; b, b, peractinal plates; m, m, inferomarginals ; m' ', m', superomarginals ; d, d, dorso-lateral plates and transverse connective ossicles; s, s, adambulacral spines; c, c, median radial or carinal plates ; X 2%. FIG. 2. O. columbiana Verrill. Type. Transverse section of a ray ; a, a, ambulacral plates; ad, ad, adambulacrals ; b, b, per- actinals; m, m, inferomarginals; m', m', superomarginals; d, d, dorso-lateral plates and transverse ossicles ; c, carinals ; X2. FIGS. 20, 2b. The same specimen. Two parts of a transverse section of a ray, split through the ambulacral plates and flattened out, to show inner surface. Lettering as in fig. ib, except that d, d; d' d'; d", d" show the three rows of dorso-lateral plates ; X 2. FIG. 3. Patiria miniata (Brandt). Central part of disk and madreporic plate, with spinules removed ; X 2. FIG. 4. Enoplopatiria siderea Verrill. Type. Dorsal view of middle of a ray with spinules removed ; X 2. (220) M. A. E. VOL. XIV PLATE CIX / ^ &* : W^*3&P *tt< ;V ~ , TV W > ' ^ > ***f * *' ' / . wMB^ ' *> / _f a ad. b 'M . < TO i-ib. ORTHASTERIAS TANNERI VER. Cotype 2-2b. O. COLUMBIAN A VER. Type 3. PATIRIA MINIATA (BR.) 4. ENOPLOPATIRIA SIDEREA VER. Type PLATE CX. FIGS, i, 2. Distolasterias chelifera Verrill. Type. Ventral and dorsal views ; (222) H. A. E, VOL. XIV PLATE CX HELIOTYPE CO., .BOSTON 1-2. DlSTOLASTERIAS CHELTFERA VER. Type