44' Bui.i.EriN r ( 44 ) 



subtrigona Lea 



Egeria srcbiri'g^onml^esi, Cont. to Geol., 1833, p. 53, pi. i, fig-. 22. 

 E. donacia Con., Amer. Jr. Conch., vol. i, 1865, p. 146, pi. 11. 

 Conrad's specimen is slightly more inflated than Lea's. 



stibvexa Con. 



Luchia subvexa Con., Foss. Sh. Tert. P'omi., N:v. , 1S33, p. 40. 

 L. siibvexa Con.,. Am. Jr. Sci. , vol. i, 1846, p. 403, j^l. 4, fig. 14. 



sulcata Lea 

 Astmie sulcata Lea, Cont. to GeoL, 1833, p. 62, pi. 2, fig^. 36. 

 Syn. of A. tellincddes Con. 



sulcatum Lea 

 Mo7ioceros sulcahun Lea, Cont. to Geol., Dec, 1833, p. 163, pi. 5, 

 fig. 168. 

 Syn. of M. vetusfus Con,, which see. 



sulcata Lea 



Pasithea sulcata Lea, Cont. to Geol., Dec, 1833, P- 103. P^- \^ 

 ■ fig. 84. 



sulcata Lea 



Tuba sulcata l^eo., Cont. to Geol., Dec, 1833, p. 129, pi. 4, fig-. 

 119. 

 Probably but a variety of Littorina autiquata^ which see. 



symmetricus Con. 

 Fusus symmetj'icus Con., Jour. Ac Nat. Sci. Phila.,vol. 7, 1834, 



P- 155- 

 Type? 



syitunetrica Con. 

 Lucina symmetrica Con., Foss. Sh. Tert. Form., 1833, p. 40. 

 L. rotunda Lea, Cont. to Geol., 1833, p. 56, pi. i, fig. 28. 



tabulata Con. 

 Pleiirotonia tabulata Con., Foss. Sh. Tert. Form., 1833, P- 4^; 



pi. 17, fig. 14 of 2d ed. 

 P. ccelata Lea, Cont. to Geol., Dec, 1833, p. 132, pi, 4, fig". 123. 



taitii Con. 

 Cassis taitii Con., Jr. Ac. Nat. Sci., vol. 7, 1834, p. 145. 

 Semicassis taitii Qoxv., Am. Jr. Conch., vol. i, 1865, p. 26. 



taitii Lea 



Fusus taitiil^e2i, Cont. to Geol., 1833, p. 152, pi. 5, fig. 159. 

 Syn. of Melongena ar^nigera Con., which see. 



tellinoides Con. 

 Astai^te tellinoides Con., Amer. Jr. Sci., vol. 23, 1833, p. 342; 



