CALYPTR^EA. Panama Shells. 223 



337. Calyptraea iiiaculata. 



Synonymy. 



Calyptrcea (Calypeopsis) maculata Brod. (non Quoy) in Proc. 



Zool. Soc. Lond. p. 37. May 1834. 

 Brod. in Trans. Zool. Soc. 



Lond. I. 200. pi. 27. f. 1 1. 1 835. 

 - Mull. Synop. Nov. Test. 



Viv. p. 145. - May 1836. 



. Lam. An. sans Vert. VII. 638. 



No. 37. Desk ed. 1838. 

 Rev. Zool. Guv. Soc. July 1838. 



Station. In sandy mud on dead shells at a depth of 11 

 fathoms; Cuming! Broderip. 



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



I. of Muerte ; Deshayes. 



Panama ; C. B. A. ! 

 2 specimens were found. 



338. Calyptraea planulata. Nov. sp. 



Shell flat, suborbicular : thin : pure white : with very minute 

 radiating striae, which are obsolete around the apex : apex sub- 

 central, acute, slightly elevated above the plane of the shell : 

 cup with the sides free and the corners acute, thin, curved 

 through about 220 : margin very thin. It belongs to Calyp- 

 trcea as restricted by Broderip. 



Length .32 inch ; breadth .35 inch. 



Station. Adhering to an oyster, a little below half tide level. 

 Habitat. Panama ; C. B. A. ! 

 Only 1 specimen was found. 



339. Calyptrwa radiata. 



Synonymy. 



Calyptrcea (Calypeopsis) radiata Brod. in Proc. Zool. Soc. 



Lond. p. 36. - May 1834. 



