PLEOROTOMA. Panama Shells. 141 



Pleuroloma turrkula Rcovo Concli. Syst. pi. 233. f. 6. 1842, 



• ' Reeve Conch. Icon, pi, 6. f, 49. 



(non pi, 19, f. 162.)- - - Feb. 1843. 



Sowerhyi Reeve Conch. Icon, in "Errata" 



Pleurot. .... Apr. 1846, 



Stalion. — Sandy mud at 10 fathoms depth ; Cuming 1 Sow- 



erby. 

 SdbiM.—'Ba.j of Montija, and Puerto Portrero; Cuming I 

 Sowerby : Miiller. 

 Taboga ; C, B. A, I 

 8 specimens were obtained. 



169. Pleurotoma discol*s» 



Synonymy. 



Pleurotoma discors Sowb. inProc. Zool. Soc. Lond. p. 137. Dec. 1833. 



. Mull. Synop. Nov. Test. Viv. p. 113, May 1836. 



Reeve Conch. Syat. pi. 235. f. 14.* 1842. 



Reeve Conch. Icon. pi. 6. f. 38. « Feb. 1843. 



Station. — Coral sand at the depth of 17 fathoms ; Cuming ! 

 Sowerby : also Eeeve, 



Habitat. — I. of Plata ; Cuming I Sowerby : also Eeeve. 



West Columbia ; Jay. 



Panama ; C, B, A, 1 

 We were indebted to the hermit crabs for 5 specimens. 



170. Pleurotoma duplicata. 



Synonymy. 



Pleurotoma duplicata Sowb, in Proc, Zool, Soc, Lond. 



p. 138 Dec, 1833. 



Reeve, Conch, Icon, pi. 9, f, 78. Apr, 1843, 



Station. — A sandy muddy floor at 10 fathoms dfepth ; Cum- 

 ing I Sowerby : also Eeeve. 



» The citation in the Conch. Icon, of fig. 10. in pL 284 of Conch, Syst. is evi- 

 dently misprint for fig. 14. 



JULY, 1852, 36 Aks. Lto. Nat. Hist. 



