76 



LITHASIA, Haldeman. 



1. L. full gin o s a, Lea. 



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



2. L. Florentiana, Lea. 



lo 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. p umila, Lea. 



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



8. S. bitaeniata, Conrad. 

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



GONIOBASIS, Lea. 



2. G. gr atios a, Lea. 



2a. G. 1 a c h r y m a, Anthony. 



Both=EuRYC.ffiLON. 



3. G. gibberosa, Lea. 



=EtJRYC.33LON. 



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



6. G. Hydeii, 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, Proc. 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. cat en aria, Say. 



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



11. G. cat en o ides, Lea. 



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



14. G. B o y k i n i a n a, Lea. 



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

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



22. G. carinifer a, Lamarck. 

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



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

 shorter spire. 

 fNearly allied to cxlatura, but is narrower, more cylindical and lighter in color. 



