398 West Indian Marine Shells. 



Strombus alatus Gmel., and S. pugilis L. The specimens 

 under these two names are of one species. 



Stro?nbus accipitrinus Mart. One specimen from Florida 

 marked " scarce," is of the very common species from the 

 Virgin Islands. 



Strombus dubius Sowb., are young only of S. pugilis L. 



Stromhus inermis Sowb., is never found in the Virgin 

 Islands. Mr. R. Swift directed attention to the differences 

 between S. accipitrinus, the species from the Virgin Islands, 

 and S, inermis, common at the Bahamas and on the Coast of 

 Florida. Perhaps S. Goliath Chem. is a very old specimen of 

 S. inermis. 



Triton pulchellus C. B. Ad., is a young T. chlorostomwn 

 Lam. 



Triton tesselatus JXv., is a species commonly found at Ber- 

 muda, St. Croix, and St. Thomas. 



Trochus angulatus C. B. Ad., and T. limdus Phil., vide 

 Modulus. 



" Turbo calcarl L.," is Astralium phoebia Bolt. 



Turritella bicingulata Lam. Six specimens from West 

 Africa. 



Turritella exoleta L. One specimen, two and a half inches 

 long, from Jamaica. 



Turritella bnbricata L. Two specimens from the West 

 Indies. 



Turritella variegata. Two specimens from Carthagena, one 

 from Cnmana. 



