EXPLANATION OF PLATES 



225 



Plate 



Figure 1. Chceta-ster nodosu-s Perrier. A'entral view. About 4/5 natural 

 size. 



Figure 2. The same specimen. Dorsal view, 4/5 natural size. 



Plate IX 



Figure 1. OrtlitL'<tcrias sudangulosa A'errill. Under side of middle of a 

 rav, X 5 



Figure la. The same specimen. Dorsal side, X 5 



Figures 2, 2a. Steplianasterias gracilis (Perrier). Under side of portions 

 of a ray, X 10 



Figure 2&. The same. Dorsal side, X 10 



Figure 2c. The same. Jaw and under side of disk, X 10 



Figure 3. S. hehes Verrill, nov. Type (No. 18,426). Under side of por- 

 tion of a ray, X 10 



Figure 4. Coronaster hriareiis Yerrill. Dorsal side of disk and bases of 

 rays, of a specimen from station 61, Bahama expedition; X 5 



Figure 4«. The same specimen. Under side of bases of three rays and 

 jaws of an alcoholic specimen; X 10 



Figure 4&. The same. Two of the dorsal spines with grouj^s of minor 

 pedieellariae, X about 30 



Figure ic. The same. One of the large felipedal pedieellariae. Much en- 

 larged 



Pl.nte X 



Figure 1. Anthenoidcs pcircei Perrier. Under side of a portion of a very 



young specimen, same as plate iii, figure 2; X 3 

 Figure la. The same specimen. Dorsal side, X 3 ; /(, nephridial or dorsal 



pore. 



Figure 16. The same specimen. Adambulacral spines, X 7. 



Figures 2, 2«. The same species. Under side of a ray of a young speci- 

 men, but considerably older than that of figure 1 ; X 3 



Figures 2h, 2c. The same. Dorsal side of a ray, X 3 



Figure 2d. The same specimen. Adambulacral spines, X 7 



Figure 2e. The .same. Adambulacral spines in profile; /, furrow-comb; e, 

 row on actinal face; X 7 



Figure 2f. The same specimen. Two bivabe pedicellarije, p,p', and ad- 

 jacent interactinal plates; X 18 



Figure 3. Bhegaster horealis Yerrill. Type. No. 343. Yale. Part of the 

 • ventral side of a ray, X 5 



Figure 3a. The same specimen. Group of dorsal papular pores, X 8 



Figures 4, 4a. Poranisca lepidus A'errill. Type. Station 2269. A'entral 

 and dorsal sides, X 5 



Figure 4&. The same. One of the inferomarginal plates and group of 

 spinules. See also pi. iv, figs. 3-7. 



