^6 PROCEEDINGS OF THE ACADEMY OP 



G. Vanuxemii, Lea, No. 150. 



Pachycheilus simplex, Say, Adams' Genera i. p. 298. 



Potadoma Warderiana, Lea, Adams' Genera i. p. 299 , Chenu, Manuel, i. f. 

 1972. 



158. G. Potosiensis, Lea. 



Elimia Potosiensis, Lea, H. and A. Adams' Genera i. p. 300. 



160a. G. virens, Anthony.* 

 Syn. of G. Sqffbrdi. Synonymy, Part 2d, No. 160. 



167. G. cinerea, Lea.f 



170. G. translucens, Anthony. 



Goniobasis translucens, Anthony, Am. Journ. Conch, i., Feb. 25, 1865. 



171. G. ovoid e a, Lea. 



Potadoma ovoideus, Lea, Adams' Genera i. p. 299. 



173. G. quadricincta, Lea. 



Goniobasis quadricincta, Lea, Proc. Acad. Nat. Sci., Apr. 1864, p. 112. 



177. G. s pur c a, Lea. 



= Pleurocera, No. 57a. 



181. G. Ocoeensis, Lea. 

 Potadoma Ocoeensis, Lea, Adams' Genera i. p. 299. = Pleurocera, No. 63a. 



184. G. Estahrookii, Lea. 

 = G. dubiosa. 



186. G. subsolida, Lea~ 

 = G. simplex, Say, No. 157. 



Potadoma subsolida, Lea, H. and A. Adams' Genera i. p. 299. 



186a. G. sordida, Lea. 



Potadoma sordida, Lea, H. and A. Adams' Genera i. p. 299. 

 G. plebeia, Anth., Synonymy, Part 2d, No. 118. 

 G. brunnea, Anth., Synonymy, Part 2d, No. 143. 



187. G. clavaeformis, Lea. 



Melasma clavaeformis, Lea, H. and A. Adams' Genera i. p. 300. 



191. G. adust a, Anthony. 



G. Cumberlandicnsis, Lea, Synonymy, Part 2d, No. 189. 

 G. funebralis, Anthony, Synonymy, Part 2d, No. 190. 



193. G. dubiosa, Lea, 



G. Estabroohii, Lea, Synonymy, Part 2d, No. 184. 



194. G. laevigata, Lea. 



Potadoma laevigata, Lea, H. and A. Adams' Genera i. p. 299. 



195. G. interlinear a, Anthony. 



Goniobasis interlineata, Anthony, Am. Jour. Conch, vol. i., Feb. 25, 1865. 



196. G. O hi ens is, Lea.f 



197. G. b r e v i s p i r a, Anthony. 



Melasma brevispira, Anth. , Adams' Genera i. p. 300. 



* Appears to be distinct from G. Saffnrdi. The shell is less solid, the aperature is not exactly of 

 the same form, and the c olor is lighter and more brilliant. 



fMost likely the locality given for this species is incorrect. It is probably identical with pulchella, 

 Anthony. 



X Probably = G. semicarinata, Say. No. 193. 



[Jan. 



