ASTEROIDEA OF NORTH PACIFIC AND ADJACENT WATERS — FISHER. 395 



Plate 39. Veramasler Uplocrramus. 

 Fig. 1, Type; abactinal surfarc. 



2. Portion of abactiual surface enlarged, showing adradial 8e<-on<Jary plaltw, Hciiallor than tlif 



primary plates. The same are shown in fig. 1. 



3. Actinal surface. 



Plate -10. 



Fig. 1. Ceramaster arclicus; large specimen from "Unalaska and Unga, Alaska," (W. n. Dall), iind a 

 small one, for comparison, from Round Island, Coal Harbor, 8humagiti Islands. Nolo the 

 difference in superomarginal armature. 



2. Same; actinal and abactinal surface, enlarged, of two specimens from Shumugin Islandx. 



3. Pseudarchasler parelii atascensii; very young specimen, much enlarged. 



Plate 41. Cladasler validus. 



Fig. 1. Type; abactinal surface, enlarged. 

 2. Same; actinal surface, enlarged. 



Plate 112. Uippasteria spinosa. 



Fig. 1. Abactinal view of a typical specimen. 



2. Portion of abactinal surface of a dried specimen, much enlarged. 



3. Portion of actinal surface of the same specimen, enlarged. 



Plate 43. 



Fig. 1. Hippastcria spinosa: abactinal surface of a specimen from southern California, station 3664. 



2. nippasteria spinosa kurilensis; type, from Simushir, Kuril Island, station 4804. See also 

 plate 121, fig. 1. 



Plate 44. Uippasteria heathi. 



PHg. 1. Abactinal surface of type, enlarged. 

 2. Portion of actinal surface, enlarged. 



Plate 4.5. Uippasteria cali/omica. 



Fig. 1. Type; abactinal surface. 



2. Portion of abactinal surface of dried specimen, enlarged. 



3. Marginal plates, enlarged, the actinal surface uppermost, viewed from ride. 



4. Actinal surface of a ray, enlarged. 



Plate 40. Uippasteria Uiopelta. 



Fig. 1. Actinal \iew of type, enlarged. 



2. Madreporic body, enlarged. 



3. Abactinal view of lype. 



4. Portion of abactinal surface, much enlarged. 



Plate 47. Crypiopellaster Itpidonoitit. 

 Fig. 1. Type; abactinal surface. 

 2. Same; actinal surface. 



Plate 48. Linckia columbiir. 



Fig. I. Three stages of a ray developing a new disk. In the ray above the budsof ihenewraj-Bare ju»l 

 beginning to show; in themiddlcfigure they are well started; the lower figtire is a "comet" 

 form. 



2. Specimen from side to show the marginal plates. 



3. Actinal surface. 



4. Abactinal surface. 



5. Abactinal surface of portion of ray, onlargol, to sliow relative size of platen and |tapular arooa. 



6. Actinal surface, onlargetl. 



7. Marginal |ilalcs. denuded; also actinal inlcmie<liatc platen to left, and abactinal on right. 



