76 



LITHASIA, Haldeman. 



1. L. fuliginosa, Lea. 



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



2. L. Florentiana, Lea. 



Io Florentiana, Lea, H. and A. Adams' Genera i. p. 299. 



9. L. n u c 1 e o 1 a, Anthony. 

 L. obliqua, Anthony, Synonymy, Part 1st, No. 14, 



11. L. obovata, Say. 



Lithasia obovata, Say, Adams' Genera i. p. 308. 

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



14. L. obliqua, Anthony. 



Synonymy, Part 1st, = L. nucleola, Anthony, No. 9. 



STREPHOBASIS, Lea. 



1. S. curta, Haldeman. 



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



2. S. pumila, Lea. 



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



8. S. b i t a e n i a t a, Conrad. 

 Melania bitcsniata, Conrad, Miiller, Synopsis, p. 45. 



GONIOBASIS, Lea. 



2. G. g r a t i o s a, Lea. 



2a. G. lachryma, Anthony. 



Both=EoRYCJELON. 



3. G. gibberosa, Lea. 

 =EURYC,ELON. 



4. G. n u b i 1 a, Lea. 



6. G.Hyde ii, Conrad. 

 Melania Hydeii, Conrad, Miiller, Synopsis, p. 44. 



8. G. c a e 1 a t u r a, Conrad. 



8a. G. Stewardsoniana, Lea.* 



8b. G. flavescens, Lea.f 



Goniobasis flavescens, Lea, Proo. Acad. Nat. Sciences, p. 271, 1862 Journal 

 Acad. Nat. Sci., v. pt. 3, p. 339, t. 38, f. 202, March, 1863. Obs. ix. p. 161. 



10. G. catenaria, Say. 



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



11. G. c at en o ides, Lea. 



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



14. G. Boykiniana, Lea. 



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



Juga Troostiana, Lea, Chenu, Man. de Conchyl. i. f. 2017. 



22. G. carinifera, Lamarck. 



Elimia bella, Conrad, Adams' Genera i. p. 300. 



*Differs from G. cfdatura in color, being dark green. It is also a more inflated species, with 

 shorter spire. 

 fNearly allied to cselatura, but is narrower, more cylindieal and lighter in color. 



