PLEUBOTOMA. Panama Shells. 145 



Pkurotoma cortiula Sowb. in Proc. Zool. Soo. Lond. 



p. 136. Dec. 1833. 



■ Mull. Synop. Nov. Test. Viv. p. 112. May 1836. 



■ nigerriina Mull. Synop. Nov. Test. Viv. p. 113. May 1836. 



• • Reeve Conch. Icon. pi. 12. f. 102. May 1843. 



Station. — Sandy mud in 6 and 10 fathoms; Cuming! Sow- 

 erby : also ReevB. 

 Hahitat. — ^Panama; Cuming! Sowerby: also Miiller. 



Bay of Caraccas ; Cuming ! Sowerby : also Miil- 

 ler. (var. cornuta!) 

 Panama and Bay of Caraccas ; Cuming I Reeve. 

 Panama ; C. B. A. ! 

 We were indebted to tbe hermit crabs for 3 specimens. 



177. Plenrotoma obeliscns. 



Synonymy. 



Pleuroloma obeliseus Reeve in Proc. Zool. Soc. Lond. p. 110. Oct. 1845. 

 ■ Reeve Conch. Icon. pi. 20. f. 176. Oct. 1846. 



Station. — Unknown. 



Habitat. — Unknown ; Reeve. 

 Panama ; C. B. A. I 

 1 specimen was found. 



178. Pleurotoma olivacea. 



Synonymy. 



Pleurotoma olivacea Sowb. in Proc. Zool. Soc. Lond. p. 126. Dec. 1833. 



-. Mull. Synop. Nov. Tesi Viv. p. 111. May 1836. 



Reeve Conch. Icon. pi. 4. f. 27. Feb. 1843. 



Station. — In sandy mud at 5 to 12 fathoms; Cuming 1 

 Sowerby. From mud in 4 to 7 fathoms depth; Hinds! 

 Reeve. 



Habitat.— Salango and St. Elena; Cuming! Sowerby: also 

 Reeve : also Miiller. 



JULT, 185J. 37 Ann. Ltc> Nat. Hist. 



