Plate. 



Salleanffi, P/e#r 1^. 



Sayi, Gray VII. 



semiglobosa, Weslerland VI. 



sinuata, Gould VII. 



soVida, Fhilippi II- 



Sowerbyana, Orhigny ■• VI. 



spiciilata, jl/orefci VI. 



striata, Orhiijnij VIII 



subinflata, Sowerby I- 



subrotunda, Sowerhy X. 



subiiadata, Sowerby VIII 



tabulata, Gould HI- 



tenuistriata, Sowerby X. 



22 



Plate. Species. 



terebra, Benson X. 83 



tetrica, i/oreto VIII. GO 



texurata, 5otf«% XII. 95 



1 ong&ns., Quoy VII. 54 



triticea, Z.eti VII. 4i) 



tropica, /irawss V. 32* 



truncata, H. Adams III. 2(» 



\a.\iA\cv\eTX&nsis, Sowerhy VIII. 57 



\cntviQ.os&, Guilding IX. 74 



vmoaa, Gould II. 15 



virgata, Gould VII. 4'i 



\\\x?&a., Parreys VIII. (.5 



Walbergii, Soiverby VUI. 5« 



