224 Panama iShelk. CALYPTBiEiD^. 



Calyptrcea radiata Brod. in Trans. Zool. Soc. Lond. I. 



p. 198. pi. 27. f. 6. - - - - 1835. 



Mtill. Synop. Nov. Test. Viv. p. 143. May 1836. 



Lam. An. sans Vert. VTI. 635. No. 



31. (Desk ed.) - - - - 1838. 

 Eev. Zool. Cuv. Soc. July 1838, 



Lam. An. sana Vert. HI. Pt. 1. p. 234. 



No. 31. (Desk ed. tert.) - - - 1841. 

 Chenu Lee. Elem. p. 144. f. 460, 461, - 1847, 



Station. — Sandy mud on dead shells at a depth of 7 to 14 

 fathoms; Cuming I Broderip. 



Habitat. — Bay of Caraccas ; Cuming ! Broderip : also Eev, 

 Zool. : also Miiller. 

 Seas of South America ; Deshayes, 

 Bay of Caraccas ; Jay, 

 Panama ; C. B. A, 1 



10 specimens were collected. 



340, Calyptraia (Syphopatella) re§rularis. Nor, sp. 



Shell with a circular margin, regularly conic: moderately 

 thickened: snow white, tinged with brown about the apex: 

 with very fine lightly impressed strise of growth, somewhat 

 shining : apex subacute, subcentral : lamina folded so as to 

 form a tube about one-third of its own width, produced to the 

 margin so as to make one complete revolution : margin acute. 



Diameter 1.27 inch ; height .55 inch. 



Station. — Unknown. 



Habitat. — Mazatlan; Lt. Green! Mus, Essex Inst. : also 

 Gould MSS. 

 Panama ; 0. B. A. 1 



3 specimens were obtained. 



