THE LIBRARY OF THE UNIVERSITY OF CALIFORNIA DAVIS 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 CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION 1914 LIBRARY UNIVERSITY OF CALIFORNIA DAVIS BAI.TIMOBE, MD., IT. 8. A. Shallow-water Starfishes of the North Pacific Coast from the Arctic Ocean to California PLATES I-CX WITH EXPLANATIONS PLATE I. FIG. i. Glyphaster anomalus (Fisher). Dorsal side; X2. FIG. 2. The same specimen. Actinal side; X4- Alaska, Harriman Expe- dition. (4) H. A. E. VOL. XIV PLATE I •LA 1,2. GLYPHASTER ANOMALUS (Fisher) PLATE II. FIG. I. Mediaster (equalis Stimpson. Dorsal side ; about natural size. FIG. 2. Mediaster bairdii Verrill. Type. Dorsal side ; about natural size. (6) H. A. E. VOL. XIV PLATE II 1. MEDIASTER ^QUALIS Stimpson 2. MEDIASTER BAIRDII Verrill. Type PLATE III. FIG. i. Mediaster cequalis Stimpson. Ventral side; about natural size. FIG. 2. Mediaster bairdii Verrill. Type. Ventral side; about natural size. (8) H. A. E. VOL. XIV PLATE III 1. MEDIASTER JEQUALIS Stimpson 2. MEDIASTER BAIRDII Verrill. Type PLATE IV. FIG. i. Ceramaster granularis (Retz.) Verrill. Dorsal side; about % natural size. West Atlantic. Station 2506. FIG. 2. The same specimen. Ventral side; about % natural size. do) H. A. E. VOL. XIV PLATE IV i, 2. CERAMASTER GRANULARIS (Retz.) PLATE V. FIG. I. Henricia levivscula, var. spatulifera Verrill. Type. One of the actinal interradial areas, jaws, and proximal adambulacral spines ; X 6. Monterey. Yale Mus. FIG. 2. Crossaster papposus (Linn.) M. & Trosch. An interradial area and jaw; enlarged. FIGS. 3, 4. Mediaster aquaUs Stimpson. Portions of dorsal and actinal sides of a ray ; X 6. FIG. 5. The same. Portion of dorsal side of a ray with spinules removed, showing plates and papular areas ; X 8. FIG. 6. Ctenodiscus crispatus (Retz.) D. & Kor. Portion of an interradial area, inferomarginal plates, and jaws; after Ludwig, from a Bering Sea specimen ; X 4- FIG. 7. The same. Front view of upper and under marginal plates ; X 5- From the same. FIGS. 8, 80. The same. One of the fasciolar spinules, side and profile views ; X 120. From the same. H. A. E. VOL. XIV PLATE V X6 1. HENRICIA LEVIUSCULA, var. SPATULIFERA Verrill. Type 2. CROSSASTER PAPPOSUS (Linn.) 3, 4, 5. MEDIASTER JEQUALIS Stimpson 6,7,8. CTENODISCUS CRISPATUS (Retz.) xs PLATE VI. FIG. i. Glyphaster anomalus (Fisher) Verrill. Actinal side;Xi^. British Columbia. FIG. 2. The same specimen. Dorsal side; X i%- FIG. 3. Dermasterias imbricata (Grube) Perrier. A young specimen, six- rayed. Dorsal side; X iH- FIG. 4. The same, adult. Details of ventral side ; P, P, pedicellariae ; X 2. FIG. 5. The same specimen. Portion more enlarged. P, P, bivalved pedicel- lariae ; P', P', trivalved pedicellariae ; X 4. (14) H. A. E. VOL. XIV 1,2. GLVPHASTER ANOMALUS (Fisher) 3. DERMASTERIAS IMBRICATA (Grube). A young six-rayed specimen 4, 5. The same, adult. Details of ventral side PLATE VII. FIG. I. Patiria miniata (Brandt) Verrill. Dorsal side; about £4 natural size. FIG. 2. The same specimen. Ventral side. Yale Mus. (16) H. A. E. VOL. XIV PLATE VII 1,2. PATIRIA MINIATA (Brandt) PLATE VIII. FIG. i. Crossaster papposus (Linn.) M. & Troschel. A young specimen, in alcohol. Ventral side; X !&• FIG. 2. The same specimen. Dorsal side; X i%- Berg Bay. Yale Mus. OS) H. A. E. VOL. XIV 1,2. CROSSASTER PAPPOSUS (Linn.) PLATE IX. FIG. I. Leptasterias coei Verrill. Type. In alcohol; X^%. Alaska, Harri- man Expedition. Yale Mus. FIG. 2. Solaster endeca (Linn.) Forbes. Young. Dorsal side; X i/^. Harri- man Expedition. FIG. 3. The same specimen. Ventral side; X ^A- Juneau, 20 fathoms. FIG. 4. Crossaster papposus (Linn.) M. & Troschel. Details of dorsal side of a young specimen in alcohol ; X 2^. Berg Bay, Harriman Expedition. Yale Mus. (30) H. A. E. VOL. XIV 1. LEPTASTERIAS COEI Verrill. Type 2, 3. SOLASTER ENDECA (Linn.) 4. CROSSASTER PAPPOSUS (Linn.) PLATE X. FIG. i. Solaster stimpsoni Verrill. Type. Actinal side ; about % natural size. British Columbia. No. 5136. Yale Mus. FIG. 2. The same specimen. Dorsal side ; about 2/z natural size. (.22) H. A. E. VOL. XIV PLATE X I, 2. SOLASTER STiMPSONi Verrill. Type. No. 5407, Yale Mus. PLATE XL FIG. i. Solaster stimpsoni Verrill. Cotype. Details of actinal FIG. 2. The same specimen. Dorsal side; X i^. (24) H. A. E. VOL. XIV PLATE XI 1,2. SOLASTER STIMPSONI Verrill. Cotype PLATE XII. FIG. I. Henricia tumida Verrill. Type. Dorsal side; X i%- Yale Mus. FIG. 2. The same specimen. Actinal side; X 1^4- FIG. 3. Henricia tumida borealis Verrill. Type. Dorsal side; about 7/10 natural size Dutch Harbor. Yale Mus. FIG. 4. The same specimen. Actinal side; 7/10 natural size. FIG. 5. Henricia leviuscula (Stimpson). Typical form. Dorsal side; % natural size. FIG. 6. Henricia leviuscula (Stimpson), var. dyscrita Fisher. Actinal side; y$ natural size. (26) H. A. E. VOL. XIV PLATE XII • ,»r . 7/io i, 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&. Yale >Mus. FIG. 2. The same specimen. Ventral side; with spines partly removed; X i2i Yale Mus. H. A. E. VOL. XIV PLATE XIII 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 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.. \STER STIMPSONI Verrill. 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 cequalis (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. PLATE XVII. FIG. i. Leptasterias coei Verrill. Type. In alcohol. Dorsal side; Berg Bay. Yale Mus. FIG. 2. The same. Cotype. Specimen with shorter rays from Berg Bay. Actinal view ; X 2%- Yale Mus. (36) H. A. E. VOL. XIV PLATE XVII 1, 2. LEPTASTERIAS COEI Verrill. Type. Berg Bay. Yale Mus. PLATE XVIII. FIG. I. Leptasterias aqualis (Stimpson). Typical form, from Monterey Bay. Actinal side; X *7A- FIG. 2. The same specimen. Dorsal side; X iH- 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 JEQUALIS (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 s&z; 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 if£ Popof Is., Alaska. Professor Ritter. Univ. Calif. (4*) H. A. E. VOL. XIV 1, 2. EVASTERIAS ACANTHOSTOMA Verrill. Type PLATE XXI. FIG. r. Pisaster ochraceus (Brandt). Dorsal side; about J4 natural size. FIG. 2. The same. Actinal side ; y2 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; X ij^. FIG. 2. The same specimen. Dorsal side; X ij^- Sitka. Yale Mus. (46) H. A. E. VOL. XIV PLATE XXII 1,2. EVASTERIAS TROSCHELII (StimpSOtl) PLATE XXIII. FIG. I. Orthasterias dawsoni Verrill. Type. Ventral side ; 2/3 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 r, 2. ORTHASTERIAS DAWSONI Verrill. Type PLATE XXIV. FIG. I. Orthasterias columbiana Verrill. Type. In alcohol. Actinal side of a ray; X i&. 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. (so) PLATE XXIV i, 2. ORTHASTERIAS COLUMBIANA Verrill. Type 3. EVASTERIAS ACANTHOSTOMA Verrill. Type 4. ORTHASTERIAS COLUMBIANA Verrill PLATE XXV. Fie. 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 aqualis (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. (5*) 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 PLATE XXVI. FIG. i. Evasterias troschelii Stimpson. Typical form from Sitka. Dorsal side; about J4 natural size. FIG. 2. The same specimen. Details of actinal side; X lYs- Yakutat Yale Mus. (54) H. A. E. VOL. XIV PLATE XXVI I.-'. EVASTERIAS TROSCHEUI (Stl'mpSOll) 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 ACERVATA 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 1,2. LEPTASTERIAS EPICHLORA ALASKENSIS Verrill. Type PLATE XXIX. FIG. i. Pycnopodia helianthoides (Brandt) Stimpson. Actinal side; about Yz natural size. Yale Mus. FIG. 2. Dertnasterias imbricata (Grube) Perrier. Dorsal side; % 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}^. (62) H. A. E. VOL. XIV PLATE XXX PYCNOPODIA HELIANTHOIDES (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, V , previous or first pair of interpolated rays, one on either side of a primary odd ray. (64) H. A. E. VOL. XIV PLATE XXXI b X5 1,2. PYCNOPODIA HELIANTHOIDES (Brandt). Young, in alcohol PLATE XXXII. FIG. i. Pteraster tesselatus Ives. Ventral side of an alcoholic specimen; about >/4 natural size. FIG. 2. The same specimen. Dorsal side. Yale Mus. (66) H. A. E. VOL. XIV PLATE XXXII •r, 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 10 PLATE XXXIV. FIG. I. The same specimen as pi. xxxiu. Details of lower side of disk; P, P, P, pectinate or fasciolated pedicellariae ; X about 6. (70) H. A. E. VOL. XIV PLATE XXXIV LUIDI ASTER DAWSONI (Verrill) Ludwig. Type. Details PLATE XXXV. FIG. I. Orthasterias columbiana Verrill. Type. Same specimen as pi. xxrv, fig. 4. Dorsal side; Yz natural size. Yakutat. Yale Mus. FIG. 2. Luidiastcr dawsoni (Verrill) Ludwig. Type. Same specimen as pis. xxxni and xxxiv. About Yt, natural size. Geol. Surv. Canada. (73) H. A. E. VOL. XIV PLATE XXXV / ;..# I 7 1. ORTHASTERIAS COLUMBIANA Verrill. Cotype 2. LUIDIASTER DAWSONi (Verrill) Ludwiff. Type PLATE XXXVI. FIG. i. Pisaster paucispinus (Stimpson) Verrill. Type of Stimpson. Dorsal view ; about % natural size. FIG. 2. The same. Actinal view ; about 2/3 natural size. U. S. Nat Mus. FIG. 3. Pisaster capitatus (Stimpson) Verrill. Type of Stimpson. Dorsal view; % 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 ^5 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 Yz 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 liitkenii (Stimpson) Verrill. Type. Dorsal view; about natural size. FIG. 2. The same specimen. Actinal view. U. S. Nat. Mus. <8a) H. A. E. VOL. XIV PLATE XL ,**>•••*• . Vs- • • r ",-;«.* ?iS*-k&' ^^^-v^-ii^S^4' v '^P^^^^^' ^- ; J .. ?•?&§? * Jwar u •^ ^ijBvjc? :• V ^^^S^Sf^^-^Sk:^ . . 1,2. PISASTER LUTKENII (Stimpson) Verrill. Type PLATE XLI. FIG. I. Pisaster brevispinus (Stimpson) Verrill. Type. Dorsal view ; about f£ natural size. U. S. Nat. Mus. FIG. 2. The same specimen. Actinal view ; ^ natural size. (84) H. A. E. VOL. XIV PLATE XLI 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. Xl\/ PLATE XLII X.-.. H6UOTYPE CO., BOSTON PlSASTER PA in LOSl'S \7ER. Type PLATE XLIII. Pisaster papulosus Verrill. Actinal side of type ; (88) H. A. E. VOL. XIV PLATE XLIII HELIOTVPE CO., BOSTON PlSASTER PAPULOSUS VER. T>'pC 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. VOL. XIV PLATE XLIV rT^H^fc^' We L. '«^- . • W^.v, HELIOTYPE CO., BOSTON 1.2. PlSASTER HREVISPINVS (ST.) VER. PLATE XLV. Pisaster brevispinus (Stimpson) Verrill. Actinal side; Xa^j. No. 1820, Mus, Comp. Zoology. (92) H. A. E. VOL. XIV PLATE XLV HELIOTYPE CO., BOSTON PlSASTER nREVlSPINUS (ST.) VER. PLATE XLVI. FIG. I. Solaster stimpsoni Verrill. Profile view of adambulacral, marginal, and adjacent spines; o, a, adambulacral spines, actinal series; a', a', furrow series ; b, peractinals ; vn, 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 ISO- 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 dawsoni 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 pseudopaxillae from the type specimen, vertical and side views ; X 17. (94) H. A. E. VOL. XIV mf d m' X7 m i, » HrATT VERRILL 0£L. XZ7 HELIOTYPE CO., BOSTON i-ic. SOLASTER STIMPSONI VER. Details 2.23. S. GALAXIDES VER. Details. Type 3.4. S. CONSTELLATUS VER. Details. Type 5-5b. S. DAWSONI VEK. Details PLATE XLVII. FIG. I. Hippasterio 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 (»»") 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. Orthosterias 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. HELIOTYPE 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. 10. 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 pseudopaxillae ; m', m', supramarginals ; m" ', 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; 30, 3d, two of the smaller forms ; $e, a small group of the small pedi- cellate forms found on the margin of the adambulacral plates. FIG. 4. Crossaster papposus (Linn.) M. & Tr. Part of the skeleton of a ray, of an Arctic specimen, after Danielssen and Koren ; a, a, adambulacral plates ; m', m', superomarginals ; m", m", inferomarginals; c, connective ossicle; d, dorsal plates and pseudopaxillae ; enlarged. FIG. 5. Ctenodiscus crispatus (Retz.) D. & Kor. From an Atlantic speci- men, after Miiller and Troschel. Under side of base of a ray. FIG. 50. The same. Part of the dorsal surface. X about 2. FIG. 6. Hippasteria phrygiana. Part of disk, showing madreporic plate; X8. (100) H. A. E. VOL. XIV PLATE XLIX *8 ni'-: in A. H. VERRILL, FROM NATURE. HELIOTYPE CO. r-ia. HENRICIA SANGUINOLENTA, var. PECTINATA Verrill 2. HENRICIA SANGUINOLENTA (Mull.) Bell 3-3*. PISASTER OCHRACEUS (Brandt) 4. CROSSASTER PAPPOSUS (Linn.) M. & Tr. 5-50. CTENODISCUS CRISPATUS (Retz.) D. & Kor. 6. HIPPASTERIA PHRYGIANA (Parel.) Agassiz PLATE L. FIG. i. Dermasterias imbricata (Grube) Perrier. a, c, pedicellarise, mostly bivalved, from actinal side ; X 26. FIG. io. The same specimen, a-c, bivalved and trivalved pedicellariae from the actinal side ; X 26. FIG. ib. The same specimen, a-f, four-valved and five-valved pedicellariae from the dorsal side ; X 26. FIG. 2. Ceramaster granularis (Retz.) Verrill. Plates of the dorsal side covered with granules ; the central one bears a bivalved pedicel- laria ; X 8. FIG. 20. The same specimen, with the granules removed from two of the plates ; X 8. FIG. 3. Tosiaster arcticus Verrill. Type. A group of dorsal plates, par- tially in profile; some of them (c, c) with the large granules removed ; also showing papular pores ; X 8. FIG. 30. The same specimen. A group of dorsal plates, some of them (c, c) with the granules removed ; p, bivalved pedicellariae ; X 8. FIG. 4. Hippasteria spinosa Verrill. Type, a', a' inner, and a, outer adam- bulacral spines ; p, pr, pedicellariae of actinal plates ; X 8. FIG. 40. The same specimen. A group of dorsal plates and spines; p, p, pedicellariae ; X 8. FIG. 4&. The same specimen. One of the dorsal plates with a pedicellaria ; X about 16. FIG. 4c. The same. A dorsal pedicellaria of the broad form ; X about 16. FIG. 5. Astropecten calif ornicus Fisher. Actinal side; a', a', inner, and a, a, outer adambulacral spines ; m, m, inferomarginal plates ; c, c, inferomarginal spines ; X 8. FIG. 6. Astropecten siderealis Verrill. Actinal side; a, a, outer adambu- lacral spines ; a', central spine of the adambulacral plate ; a", furrow spines; c, c, inferomarginal spines; m, m, inferomarginal plates; X 8. FIG. 7. Stenasterias macropora Verrill. Type. Portion of the actinal side of a ray, with the spines removed ; X 5- (102) H. A. E. VOL. XIV PLATE L A. HYATT VERRU.L O€L. HELIOTYPE CO., BOSTON i-ib. DERMASTERIAS IMBRICATA (GRUBK) 2.2a. CKRAMASTER GRANULARIS (M.) 3.33. TOSIASTER ARCTICUS VfiR. 4-40. HlPPASTERIA SPINOSA VER. 5- ASTROPECTEN CALIFORNICUS F. 6. A. SIDEREALIS VER. 7- STENASTERIAS MACROPORA VER. PLATE LI. FIG. I. Asterias katherince Gray. Dorsal view of No. 1181, Mus. Comp. Zool. ; 2/3 natural size. Gulf of Georgia. FIG. 2. The same specimen. Actinal side ; X 3- (104) H. A. E. VOL. XIV PLATE LI -"EUOTYPE CO.. BOSTON 1.2. ASTERIAS KATHERINAE GRAY PLATE LII. Asterias katherina Gray. Dorsal side of the same specimen shown on pi. LI; X 4^. Gulf of Georgia. No. 1181, Mus. Comp. Zool. (106) H. A. E. VOL. XIV PLATE LI HELIOTYPE CO., BOSTON .Wll-lRIAS KA'l HKKINAK GRAY PLATE LIII. FIG. I. Asterias victoriana Verrill. Type. Dorsal view ; & natural size. FIG. 2. Pisaster confertus (Stimpson) Verrill. X about i%. (108) H. A. E. VOL. XIV PLATE LIP HELIOTYPE CO., BOSTON 1. ASTERIAS VICTORIANA VrER. Type 2. PlS ASTER CONFERTUS (ST.) PLATE LIV. FIG. i. Asterias victoriana Verrill. Type. Actinal side; FIG. 2. The same specimen. Side view of a ray ; X 2%. Vancouver I. (no) H. A. E. VOL. XIV pLATE LIV . '•- A. • •i'dt^*^0 35* $&3S&%1!£ ef ^"*Wj-- - ^ ^,>S! L»cV-^T HEUOTVPE CO., BOSTON 1.2. ASTERIAS VICTORIAN A VER. Type PLATE LV. FIG. I. Asterias polythela Verrill. Type. Dorsal side; about 2/$, natural size. FIG. 2. The same specimen. Part of dorsal side ; X 2%. No. 5820. H. A. E. VOL. XIV PLATE LV HEUOTYPE CO., BOSTON 1.2. ARTERIAS POLYTHKLA VER. Type PLATE LVI. FIGS. 1,2. Leptasterias arctica (Murdoch) (?). Young. Actinal and dorsal views of specimens from Bering Sea ; X 3- No. 16591, U. S. Nat. Mus. FIGS. 3, 30. Pisaster ochraceus, var. nodiferus Verrill. Dorsal and actinal views; about % natural size (nodosus on plate incorrect). FIG. 4. P. capitatus (Stimpson) Verrill. Dorsal side of two rays; about 2/3 natural size. FIG. 5. Leptasterias cequalis (Stimpson), var. compacta Verrill. Type. Dorsal side ; X 2. Yale Mus. (114) H. A. E. VOL. XIV PLATE LVI HEUOTYPE CO., BOSTON 1.2. LEPTASTERIAS ARCTICA (MuR.) YOUNG 3.33. PlSASTER OCHRACEUS NODOSUS VER. 4. PJSASTER CAPITATUS (Si.) LEPTASTKRIAS AEQUALIS COMPACTA VER. PLATE LVII. FIG. i. Parasterias albertensis Verrill. Type. Dorsal side; X FIG. 2. The same specimen. Actinal side ; (116) H. A. E. VOL. XIV PLATE LVII •.^W»" .vf£&$^f - j >'•*<$??••** v'< » >I!S8S s$^ -w^;^-.c^--- .' ">' « v »*>-i* f V'^-* i^ftpl . - ' ML A. ,_ «*44) H. A. E. VOL. XIV PLATE LXXI X/l HtLIOTYPE CO., BOSTON 1.2. LEPTASTKRIAS ARCTJCA (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. LEPTASTERIAS ARCTICA (Mi;R.) 2. ASTKRIAS POLYTHKI.A VER. 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) H. A. E. VOL. XIV PLATE LXXIII HEL1OTYPE CO., BOSTON i. PYCXOPOPIA HELIANTHOIDES (BR.) YOUNG i. LF.PTASTKRIAS ixEqj.-Ai.is VER. Type 20 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, V and c, c' , second and third pairs of posterior primary rays ; X 3fi 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, e1 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 pacificus 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 HELIOTYPE CO., BOSTON 1-33. PVCNOPODIA HELIANTHOIUES (BR.) Yot'NC. 4. STENASTERIAS MACROPORA VER. 5. LEPTYCHASTER PACIFICI'S FISHER 6. P. HEI.IANTHOIDES (BR.) PLATE LXXV. FIGS. i-ld. 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. 2-2&. Orthasterias dawsoni Verrill. Type. Spines and pedicellariae, X2o; 2, a, b, large valves of major pedicellarise ; 20, dorsal spines; a, with wreath of minor pedicellariae; 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%; y, a major pedicellaria; X 16. (152) H. A. E. VOL. XIV PLATE LXXV A HVfTT VERRILL DEL. HEUOTYPE CO., BOSTON I -id. ASTERIAS KATHERINAE GRAY 2-2b. O. DAWSONI VER. Type 3-30. O. KOEHLERI (LoR.) Type PLATE LXXVI. FIGS. i-ib. Pisaster brevispinus (Stimpson). Spines and pedicellariae 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; 20, a-e, clusters of adambulacral or furrow pedicellariae attached to a common pedicel and containing both sorts ; f, 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. 054) H. A. E. VOL. XIV PLATE LXXVI A. HVATT VERRILl DEL HEIIOTVPF f.O., BOSTON I-lb. PlSASTER PAPULOSUS VER. VAR. 2-2d. P. PAPULOSUS VER. Type PLATE LXXVII. FIGS. i-ld. Orthasterias forreri (Loriol) Verrill. Spines and pedicellariae ; i, a, dorsal spine with pedicellariae removed, X 8; I, b, lower marginal ; c, upper marginal ; d, outer adambulacral ; e, inner adambulacral spine; X *7; 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, X I? ; id, a-f, dermal major pedicellariae from dorsal and lateral areas. FIG. 2. Orthasterias leptolena Verrill. Type. Major pedicellariae; a-d, four varieties from the dorsal and lateral areas ; X 17. 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) H. A. E. VOL. PLATE LXXVII i-id ORTHASTERIAS (STYLASTKRIAS) FORRKRI (LoR.) 2. O. LEPTOJ.ENA VKR. Type 3-33. ALLASTERIAS ANOMALA VER. Type PLATE LXXVIII. FIG. i. Orthasterias columbiana Verrill. Co type. A dorsal spine and minor pedicellariae from the largest specimen from Victoria ; X 13- Prov. Mus. British Columbia. FIG. 10. The same. Type, a-i, large dermal major pedicellariae from the dorsal and lateral areas; X n. 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 pedicellarise from the dorsal and lateral areas; X 17- FIG. is. The same. End views of two of the larger major pedicellarise ; 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. F. VOL. XIV x74 HYATT VERRIU DEL. HEUOT. i-ie. ORTHASTKRIAS COLUMBIANA VER. Cotype 2. Al.LA.v i I KIAS KAllIIilM NORTONENSIS VER. 3-4. A. ANOMALA VER. Type 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 pedicellariae 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 pedicellariae from the dorsal and lateral areas ; X 16. (160) . A. t. VOL. XIV PLATE LXXIX A. HYATT VERRILL DEI. I -23 ASTERIAS POLYTHELA VEK. Type 3-30 ORTHASTKRIAS connvieiAXA VER. PLATE LXXX. FIG. I. Orthasterias forreri (deLoriol) Verrill. Minor pedicellariae, a, b, c, d, mounted in balsam ; X 25. FIGS, la, ia'. The same specimen. Two large dorsal dermal major pedicel- lariae; X 10. FIG. ib. The same specimen, a-d, four detached valves of minor pedi- cellariae, 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; iet 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 arnica 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) A E. VOL. XIV PLATE LXXX A. HVATT VEHRILt DEI. HELIOTYPt CO., BOSTON i-ie. ORTHASTERIAS FORRERI (LoK.) Tvpe ^. O. DAWSONI VER. Type 3-3a. O. CALIFORNICA VER. Type 4 PISASTER pAi'ui.osis VER. 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. to. 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; o, marginal spine with pedicel- lariae removed ; b, outer adambulacral ; c, inner adambulacral ; e, f, adambulacral major pedicellariae; X 28. FIG. 2. Orthasterias californica Verrill. Type, a, an inferomarginal spine, cleaned; b, a dorsal spine with a wreath of minor pedicellariae; XI2. FIG. 20. The same specimen, a, outer ; b, inner adambulacral spine ; X 12. FIG. 2&. The same specimen. Major pedicellariae; a, b, c, d, e, dorsal; f, g, adambulacral ; h, i, actinal interradial ; X 12. FIG. 3. Orthasterias dawsoni Verrill. Type. Dermal major pedicellariae; 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 I-lb. DlSTOI.ASTERIAS CHEI.IFERA VER. Type 2-2b. ORTIIASTERIAS CALIFORNICA VEF. Type 3-3b. O. DAWSONI VER.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; Xi8. FIG. ic. The same specimen, a, b, two of the major pedicellariae ; 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 5^- FIG. 20. The same specimen, a, dorsal spine ; b, adambulacral spine ; X 12. FIG. 2&. The same specimen. Dorsal dermal major pedicellariae, 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 A. HYATT VERRIU DEI. HEUOTYPE CO., BOSTON I -1C. ASTKRIAS VICTORIANA \rER. Type 2-2b. ORTHASTERIAS BIORUINATA VER. Type V3b., 4., 43. O. GONOLBNA VtR. 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, inferomarginals ; X H- FIG. 2. Leptasterias arctica (Murdoch). Spines and major pedicellarise ; a, adambulacral spine; b, c, adambulacral major pedicellariae; d, axillary or interradial one ; e, unguiculate marginal one ; X 2S- FIG. 2a. The same specimen. Finer spined variety. Portion of the dorsal surface showing spines, c, d, d'; papulae, o, a; minor pedicellariae, ft fi papular pores, a'; X n. 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. 36. The same specimen, a-e, marginal spines ; X 16. FIG. y. The same specimen. Major pedicellariae; a, b, c, d, dorsal dermal; e, marginal ; f, axillary ; X 25. (168) H. A. E. VOL. XIV PLATE. LXXXIII *. HYATT VIRRIIL DEL. HELIOTYPE CO., BOSTON I. ASTERIAS KATHERINAE GRAY 2-2a. LEPTASTKRIAS ARCTICA (MuR.) 3.30. ALLASTERIAS FORFICULOSA VER. Type 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. 20. 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, o-g, dorsal spines, mostly from bases of rays ; X 16. FIG. 50. The same specimen. Adambulacral spines, a-d; X 16. FIG. s&. 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. sd. 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. sf. Portion of groove and plates from middle of ray; a, a, ambulacral plates and large pores; ad, adambulacral plates; i, peractinals; Xio. FIG. 5£. The same. Segment of actinal side of a ray deprived of spines ; a, a, ambulacral plates and large sucker pores (j) ; a, d, adambulacral plates ; i, peractinals ; m, inferomarginal ; b, a remaining adambu- lacral spine ; p, p, adambulacral pedicellariae ; r, r, papular pores ; Xio. FIG. S/t. 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', superomarginal rows ; single papular pores lie between the plates in rows ; X 10. FIG. 51'. 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 A. HYATT VERRILL DEL. ' I HELIOTYPE CO., BOSTON i. ALI.ASTERIAS PORKICUI.OSA VER. Type 2-2H. ASTKRIAS Ml'LTIfLAVA N'KK. Tyj><- 3- 4. A. POLYTHELA VEIL Tvpe 5-.Si. STENASTERIAS MACROJ-ORA YKR. I'vpe PLATE LXXXV. FIG. I. Leptasterias epichlora alaskensis Verrill. Type. Dorsal spines, a, b, c, of different sorts ; X 28. Dutch Harbor. FIG. 10. The same specimen; a, inferomarginal spine; b, superomarginal ; X2& FIG. i&. 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) *28 x2S 2a 2e vK »ri^. vi, ,£« 3ri x^6' X26' A. HYATT VERRIIL DEL HELIOTYPE CO., BOSTON LEI'TASTERIAS EPICHKOKA AI.ASKENSIS VER. Type. AND YOUNG 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. la. 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, inf eromarginals ; 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, inf eromarginals ; 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. Pter aster 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 ; /, 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 S- FIG. 4 ' I .'. v • V ' HELIOTYPE CO., BOSTON 1.2. EVASTKRIAS TROSIHEI.1I (ST.) Yol'NO 3. ASTKRIAS ACERVATA (ST.) Yot'NG, VAR. PLATE CVIL FIG. i. Mithrodia bradleyi Verrill. Type. Dorsal side; Y\ natural size. Yale Mus. FIG. 2. Echinaster tenuispinus Verrill. Type. Dorsal side; ?4 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 HEUOTYPE CO., BOSTON 1. MlTHRODIA BRADLEYI VER. Type 2. ECHINASTER TENUISPINUS VER. Type 3. HENRICIA LEVIUSCULA SPICULIFERA (CLARK) 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 HEUOTYPE CO., BOSTON i. 2. PATIRIA MIMATA VER Varieties PLATE CIX. FIG. I. Orthasterias tanneri Verrill. Cotype. Actinal side of disk, to show jaws and peroral spines; X 2?A- FIG. 10. 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, inf eromarginals ; m', m', superomarginals ; d, d, dorso-lateral plates and transverse connective ossicles; s, s, adambulacral spines; c, c, median radial or carinal plates ; X zYz- 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, 2&. 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. •-i. A. E. VOL. XIV PLATE cix . 5* f1i*'t 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; £. VOL. XIV PLATE CX HELIOTYPE CO., BOSTON 1-2. DlSTOLASTERIAS CHEL1FERA VER. THIS BOOK IS DUE ON THE LAST DATE STAMPED BELOW AN INITIAL FINE OF 25 CENTS WILL BE ASSESSED FOR FAILURE TO RETURN THIS BOOK ON THE DATE DUE. THE PENALTY WILL INCREASE TO 50 CENTS ON THE FOURTH DAY AND TO $1.00 ON THE SEVENTH DAY OVERDUE. INTL .Y LOAN 14 CAYS Ai- .Lit RETURN-D UCD LIBRARY 3UE OCT4 1976 OCT27 DUE til i Ml APR 1 8 UCD LIBRARY CUE APR 6 1981 MAY 0 S 19B1 126890 Harriman Alaska dition, iRoo. ^arriman Alaska Sprip Call Number: Q11S H32 j)t.2 GU/5 H32 V-/4-' 126890 3 1175 00076 8112