30 Panama Shells. 



"At Conchagua in Mexico." Cuming ! Sow- 



erby in Catal. Cyp. 

 Mexico. Jay. 



Santa Barbara. E. Jewett ! Gould MSS. 

 Panama. C. B. A. ! 



We obtained six specimens on the reef at Panama. Th& 

 second quotation contains a geographical error. If this is 

 copied by Dr. Jay, we have only two habitats, besides Panama. 

 Conchagua is another name for the Gulf of Fo-nseca. 



o 



2. Ovula emarginato. 



Synonymy. 



Ovulum emarginatum Sowb. Spec. Conch. Part I., p. 7, 



f. 54, 55. Nov. 1830. 



GrayDesor. Catal. p. 19. No. 161. June 1832. 



Ovula emarginata K:ener Iconog. p. 18. pi. 3. f. 2. 

 Ovulum emarginatnm Sowb. The?. Conch, p. 479. No. 



39. pi. 99. f. 11. 12. 1848. 



Of our three perfect specimens, one is covered with fine re- 

 volving striae over the whole of the back, not excepting 

 the keel ; another, over all but the keel, as in the fig. in Sowb. 

 Thes. ; the third is smooth over the middle portion, as in Kien- 

 er's figure. 



Station. Unknown. 



Habitat. Unknown. Sowerby in Spec. Conch. : also 



Kiener. 

 St. Elena. Cuming! Sowerby in Thes. 



Coneh. 



St. Elena. Jay. 

 Panama. C. ft. A. ! 



In the Species Conchyli<>rum,Mr. Sowerby says, " the only 

 specimen of this rare species I have seen is in Mr. Eland's 

 collection." We were indebted to the hermit crabs for six 



