196 MELANIID^. 



11. Pleurocera prestoniana. 



Trypan ostoma Prestoniana, Lea, P. Acad. Nat. Sci, 1864, p. 3 {^foot-note'], 

 for M. vanuxemii, I. o. 1881 {_nof M. vanuxemiana, Lea]. 



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



12. Pleurocera subularis. 



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



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



Sub-Genus STREPH0BAS18, 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. Oklham. 



Genus GOJ^'IOBASIS, 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, ISiO, — " Columbus, Oeo." 



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

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



3. Goniobasis pupoidea. 



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



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



