3. E. g r a t i s a, Lea. 



Goniobasis graiiosa, Lea, Synonymy, Part 2, No. 2. 



3a. E. 1 a c h r y m a, Anthony. 

 Goniobasis lachryma, Anthony, Syn., Part 2, No. 2a. 



4. E. g i b b e r o s a, Lea. 



Goniobasis gibberosa, Lea, Syn., Part 2, No. 3. 



5. E. nu b i la. Lea. 



Goniobasis nubila, Lea, Syn., Part 2, No. 4. 



6. E. Antho ny i, Budd. 



Anculosa Anihongi, Budd., Syn., Part 3, No. 1. 



7. E. c r a s s a, Haldeman. 



Anculosa crassa, Ha^.j^Syn., Part 3, No. 15. 

 Leptoxis crassa, Hald., Adams' Genera i. p. 307. 

 Anculosa pisum* Hald., Syn., Part 3, No. 19. 

 Leptoxis pisum, Hald., Adams' Genera i. p. 307. 



8. E. t u r b i n a t a. Lea. 



Anculosa turbinata, Lea, Syn., Part 3, No. 33. 



MESESCHIZA, Lea. 



Meseschiza, Lea, Proc. Acad. Nat. Sci., p. 2, Jan., 1864. 



1. M. G r s V e n r i i, Lea. 

 Meseschiza Grosvenorii, Lea, Proc. Acad. Nat. Sci., p. 2, Jan. 18G4. 



SCHIZOSTOMA, Lea. 



3. S. V o i d e u m, Shuttleworth. 



Gyrotoma ovoidea, Shutt., Adams' Genera i. p. 305. 



4. S. exci s u ra. Lea. 



Gyrotoma excisa, Lea, Adams' Genera 1. p. 305. 



7. S. lac iniat um, Lea. 

 Gyrotoma laciniata, Lea, Adams' Genera i. p. 305. 



10. S. cylindraceum, Mighels. 



Gyrotoma cylindracea, Migh., Adams' Genera i. p. 305. 



12. S. c u r t u ra, Mighels. 



Gyroto7na carta, Migh., Adams' Genera i. p. 305. 



15. S. p ag o d a. Lea. 



Gyrotoma pagoda. Lea, Adams' Genera i. p. 305. 



16. S. p y r am i d a t u m, Shuttleworth. 



Gyrotoma pyramidatum, Shutt., Adams' Genera i. p. 305. 



20. S. b a b y 1 o n i c u m, Lea. 



Gyrotoma babylonicum, Lea, Adams' Genera i. p. 305. 

 Gyrotoma funiculata. Lea, Adams' Genera i. p. 305. 



23. S. c n s t r i c t u m, Lea. 



Gyrotoma constricta, Lea, Adams' Genera i. p. 305. 



26. S. in c is u m, Lea. 



Gyrotoma incisa, Lea, Adams' Genera i. p. 305. 



•Young shell. 



