196 MELANIIDiE. 



11. Pleuroeera prestoniana. 



Trypauostoma 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. Pleuroeera subularis. 



Melania subularis, Lea, PMlos, Trans, IV, 1832, " Niagara River." 



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



Sub-Genus STREPH0BASI8, Lea. 

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

 Sub-genus of Angitrema, fide Tryon. 



13. Pleuroeera [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. Philad. 1862, type {restr.'\ M. showalteri. 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, New Yorh, 1854, Alabama. 



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



