14 



NATURAL HISTORY BULLETIN 



Station 4. Cuba : off Havana, about 2% miles, 110 fms. 2 

 specimens. 



Station 5. Cuba: off Havana, about 2i/2 miles, 140 fms. 1 

 specimen. 



Station 10. Cuba : off Havana, about 2% miles, 200 fms. 1 

 specimen. 



Station 13. Cuba, off Havana, 200 fms. 1 specimen. 

 Station 16. Ciaba : off Havana, 200 fms. 1 specimen. 



Isocrinus asteria 



Isis asteria Linne, 1766. Sys. Nat. ed. 12, p. 1288. 



Tentacrinus asterius P. H. Carpenter, 1884. Challenger Crinoids, pt. 1, 

 p. 300; pi. XI. 



Isocrinus asteria A. H. Clark, 1908. Proc. U. S. Nat. Mus., 33, p. 687. 

 Plate m, Mg. 1 



Although there is no specimen of this fine pentacrinid in the 

 collection sent me, two were taken on the Pentacrinus ground 

 off Havana and are briefly referred to in the "Narrative" (p. 

 75) as ''beautiful specimens." A photograph of one of these 

 lies before me and shows its beauty admirably. 



Isocrinus deconis 



Pentacrinus (Neocrinus) decorus Wyville Thompson, 1864. Intellectual Ob- 

 server, 5, p. 7. 



Pentacrinus decorus P. H. Carpenter, 1884. Challenger Crinoids, pt. 1, 

 pi. XXXIV. 



Isocrinus decorus A. H. Clark, 1908. Proc. Biol. Soc. Washington, SI, p. 

 149. 



Plate I and Plate IH, Figs. 2, 3 



This, the most abundant of the West Indian stalked crinoids, 

 was taken by the Bahama Expedition in great numbers on the 

 Pentacrinus grounds off Havana, and 13 specimens were sent 

 to me. The species has been so thoroughly studied, I have 

 nothing to add as regards the morphology. In the ' ' Narrative ' ' 

 (p. 75), Professor Nutting writes: ''P. decorus when first out 

 of water usuall}^ had the head gracefully drooping and the 

 arms not greatly recurved, the outline of the whole being very 

 much like that of a lily." It "is much more fragile than the 



