222 Panama Shells. CALYPTR^EID^E. 



Station. On dead shells, in sandy mud, at a depth of 12 

 fathoms; Cuming! Broderip. 



Our specimens were found under stones at low water mark. 



Habitat. I. of Muerte ; Cuming ! Broderip : also Eev. Zool. ; 

 also Miiller. 



I. of Muerte ; Deshayes : also Jay. 



Panama and Taboga ; C. B. A. ! 

 20 specimens were collected. 



336. Calyptraea imbricata. 



Synonymy. 



Calyptnca (Calypeopsis) imbricata Brod. in Proc. Zool. Soc. 



Lond. p. 36. - May 1834. 



Brod. in Trans. Zool. Soc. Lond. 



I. 193. pi. 27. f. 7. 1835. 



Mull. Synop. Nov. Test. Viv. 



p. 143. May 1838, 



Lam. An. sans Vert. VII. 636. 



No. 33. (Desh. ed.) 1838. 



- Rev. Zool. Cuv. Soc. July 1838. 



; Hanley Conch. Book Spec. 



p. 13. 1842. 



Orb. Voy. Amer. Merid. Moll. 



p. 460. 1843. 



Station. On stones in sandy mud at a depth of from 6 to 10 

 fathoms; Cuming 1 Broderip. 



Habitat. Panama ; Cumiug ! Broderip : also Eev. Zool. : also 



Miiller. 



Central America ; Deshayes. 

 Payta ; Orbigny. 

 Panama ; C. B. A. ! 

 2 specimens were found. 



As M. Deshayes mentions another habitat, it is to be regretted 

 that the authority is not stated. 



