79 



Ilia. G. e X p a n s a, Lea.* 



118. G. pie be i us, Anthony. 

 = G.sordida, Lea, No. 18(3. 



119. G. op aca, Anthony. 



= Pleurocera opaca, Anthony, No. 83. 



123. G. m d e s t a, Lea.f 



124. G. p a g d i f r m i s, Anthony. 

 = G. acutocarinata, Lea, No. 127. 



125. G. Gerhardtii, Lea.t 



126. G. obi it a, Lea. 



=:Pleiirocera unciale, Hald., Synonymy, Part 1, No. 28. 



127. G. acutocarinata, Lea. 



G. pagodiformis, Anthony. G. torulosa, Anth., No. 124. 

 Elimia acutocarinata, Lea, Adams' Genera i. p. 300. 



129. G. C a t aw b a e a, Haldemau. 



Gonioba.^is Cataivbcea, Hald., Amer. Jour. Conch. voL 1, No. 1, 

 Feb. 25, 1865. 



132. G. symmetrica, Haldeman. 



Ceriphasia symmetrica, Hald. Adams' Genera i. p. 297. 



138. G. con g e st a, Conrad. 



Melania congesta, Conr., Miiller, Synopsis, p. 43. 



139. G. auric ulaeformis. Lea. 



Megara auriculceformis, Lea, Adams' Genera i. p. 306. 



140. G. Nickliniana, Lea. 



Leptoxis Nickliniana, Lea, Adams' Genera i. p. 307. 



143. G. ebenum, Lea. § 

 Nitocris ebena, Lea, Adams' Genera i. p. 308. 

 Mdania hrunnea, Anth.=:G. sordida, Lea, No. 186. 



148. G. gramiuea, Haldeman. 



Goniobasis graminea, Hald., American Journ. Conch, i. No. 1. Feb. 25, 1865. 



150. G. V a n u X e m i i. Lea. 



Changed to G. Prestoniana, Proc. Acad., 1864, p. 3, Vanuxemii being 

 preoccupied. 

 = G. simpLex, Say, No. 157. 



153. G. a b r u p t a, Lea. 



Leptoxis abrupta, Lea, Adams' Genera i. p. 307. 



154. G. depygis. Say. 



Potadoma depygis. Say, Adams' Genera i. p. 293. 



155. G. livescens, Meuke. 



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



157. G. simplex, Say. 



G. subsolida, Lea, No. 186, cxcl. synonyms. 



♦Very closely allied to, or perhaps^*?. Whitei, No. 111. 

 iPe\bi\i)S^^fletirocera luijiihy-is, Lea. 

 JThis is probably the same as G. semigraiJata, No. 27. 



fVIr. Lea agrees with me iu consiilKring this species distinct from iostoma, Anth.; and also in 

 makiug brunnta a synouym ot mniida iimteadufeftenMOT. 



