142 Journal of the Mitchell Society [February 



Cerithium floridanum Morch. 



Dall, Trans. \Yagner Free Inst., \ol. 3, pi. 14, fig. 10. 



Arnold, Sea-beach at Ebb-tide, p. 326, fig. 4. 



Four specimens. 

 Bittium {Diastoma) virginicum Henderson and Bartsch. S C O J 



Henderson and Bartsch, U. S. Nat. Mus. Prof., vol. 47, p. 419, pi. 14, fig. 3. 



Common, inside, on eel-grass beds. 

 Strombus pugilis Linne. S C O J 



Rogers, Shell Book, p. 118, fig. 3. 



Occasional outside, common in Lookout bight. (See Osborn.) 



Called S. alatus by Stimpson and Osborn, none of this form was found by me. 

 Cypraea exanthema Linne. C J 



Arnold, Sea-beach at Ebb-tide, pi. 70, fig. 2. 



Rare, outside; one only, ditto Coues. 

 Ovulum uniplicata Sovverby. S O J 



Rogers, Shell Book, p. 135, fig. 2. 



Fairly common on sea fans (Leptogoryia virgulata). I have found both the 

 yellow and orange Leptogorgias under one wharf^ each with Ovulum of its 

 owTi color. In company with them were Pteria eximia. 

 Dolium galea Linne. S C O J 



Rogers, Shell Book, p. 139, fig. 1 . 



Occasional on outer beach. 

 Cassis inflaia Shaw. S C J 



Arnold, Sea-beach at Ebb-tide, pi. 71, fig. 5. 



Common on outer beach. 

 Cassis tuber osa Linne. 



Rogers, Shell Book, p. 138, fig. 1; and p. 139, fig. 4. 



Common on outer beach. 

 Eupleura caudaia Say. S C O J 



Dall, U. S. Nat. Mus. Bull. 37, pi. 50, fig. 11. 



Md. Geo. Sur., Plio.-Pleisto., pi. 49, figs. 7 and 8. 



Occasional, inside and out. 

 Urosalpinx cinereus Say. C O J 



Dall, U. S. Nat. Mus. Bull. 37, pi. 50, fig. 6. 



Md. Geo. Surv., Plio.-Pleisto., pi. 49, figs. 9 and 10. 



Common, inside and out. (See Osborn.) 

 Purpura haemastoma Linne. S C O J 



Dall, U. S. Nat. Mus. Bull. 37, pi. 46, figs. 2a and 2b. 



Common on the jetties. 

 Columbella (Anachis) avara Say. S C O J 



Figures 33 and 34. 



Fairly common, inside and out. Out of 22 one has 10 ribs, eight have 11 ribs, 

 six have 12 ribs, five have 13 ribs, one has 14 ribs, and one has 15 ribs. 

 Columbella {Anachis) translirata Ravenel. 



Figures 35 and 36. 



Fairly common, inside and out. 

 Columbella {Anachis) translirata similis Ravenel. 



Figure 32. Same as C. translirata but about half its size when adult. 



One specimen, inside. 



