196 MELANIIDJS. 



11. Pleurocera prestoniana. 



Trypanostoma Prestoniana, Lea, P. Acad. Nat. Sci. 1864, p. 3 [foot-note], 

 for M. vanuxemii, I. c. 1861 [not M. vanuxemiana, Lea]. 



7 Ringgold, Georgia; coll. Rev. E. R. Beadle, 



12. Pleurocera subularis. 



Melania subularis, Lea, Philos. Trans. IV, 1832, " Niagara Biver." 



16 Mohawk Rv., New York and Michigan ; coll. Rev. E. R. Beadle, &c. 



Sub-Genus STREPHOBASIS, Lea. 

 P. Acad. Nat. Sci. Philad. 1861, type S. cornea, Lea. 

 Sub-genus of Angitrema, fide Tryon, 



13. Pleurocera [Strephobasis] olivaria. 



Strephobasis olivaria, Lea, Proc. Acad. Nat. Sci., 1862, Knoxville. 

 2. Alabama ; ex c. Dr. T. Oldham. 



Genus GONIOBASIS, Lea. 

 P. Acad. Nat. Sci. PMad. 1862, type [restr.'] M. shoioalterf, Lea. 



1. Goniobasis alabamensis. 

 Melania alabamensis, Lea, P. Acad. Nat. Sci., 1861. 



5 Coosa Rv., Alabama ; ex c. Rev. E. R. Beadle. 



2. Goniobasis boykiniana. 



Melania boykiniana, Lea, P. Philos. Soc., 1840, " Columbus, Geo." 



4 Georgia ; ex c. Prof. W. Newcomb. 

 3 Alabama ; ex c. Prof. W. Newcomb. 



3. Goniobasis pupoidea. 



Melania pupoidea, Anthony, Ann. Lye., Neiv York, 1854, Alabama. 



6 Alabama ; ex c. Rev. E. R. Beadle. 



