EXPLAXATIOX OF PLATES 



229 



Figure la. The same specimen. Part of dorsal side of a ray, near base. 

 X 7. 



Figure 2. A. dupUcatus variahilis (Liitken). Type. Xo. 2,084, Yale Mas. 

 Portion of a ray, 4th to 6th plates, dorsal side. X 9. 



Figure 2a. The same specimen. Under side of portion of a ray. X 9. 



Figure 3. A. nitidus foreipatus Verrill. Type. No. 10,067, X. Mus. Por- 

 tion of under side of a ray. X 7. 



Figure 4. Laidia tleguiis Perrier. Xo. o/r25, Yale Mus. Portion of un- 

 der side of a ray. X 7. 



Figure 4rt. The same specimen. Portion of the dorsal side of a ray. X 7. 



Plate XYII 



Figure 1. Peeiinasfer mixtus Yerrill. Young, (Xo. 18,470). Dorsal side. 

 X 3. 



Figure 2. Eosaster alexandri Perrier. Dorsal side. X 3, off Havana. 

 Bahama Expedition. Some plates are lacking. 



Plate XYIII 



Figure 1. Cheiraster enophis Yerrill. Type. X"o. 7,42.5, X. Mus. Dorsal 



side; 3/5 natural size. 

 Figure 2. C. planus A'errill. Type. X"o. 18,469, X^at. Mus. Dorsal view. 



X 1 1/5. 



Plate XIX 



Figure 1. Luidia elegans Perrier. Young. Dorsal view. X 314. Ba- 

 hama Expedition, station 63. 



Figure 1. Astropecten nuttingi Yer., sp. nov. Type. Bahama Exped., 

 tion, station 61. X 3i/^. 



Plate XX 



Figure 1. Astropecten niiklus foreipatus Yer., nov. Type, Xo. 10,067. 



Dorsal side. X 1 2/5. 

 Figure 2. A. nitidns Yer. Type, Xo. 18,344, Xat. Mus. X 12/5. 



Plate XXI 



Figure 1. Astropecten nuitingii Yer., sp. nov. Type. Bahama Exped., 



sta. 64. Dorsal side. X 1 1/5. 

 Figure 2. The same specimen. Under side. X 1^. 



Plate XXII 



Figure 1. Astropecten comptus Yer. Type, Xo. 18,346, Xat. Mus. Dor- 

 sal side. 7/10 natural size. 



Figure 2. A. dupUcatus Gray. X^o. 10,989, X^at. Mus. Dorsal side. 7/10 

 natural size. 



Plate XXIII 



Figure 1. Astropecten dupUcatus Gray. St. Thomas. From Liitken. 

 Dorsal view. X 



Figure 2. The same, vax. variahilis (Liitken). Cotype, from Liitken. Yen- 

 tral view. X IV\. X^o. 2,084, Yale Museum. 



