MELANIIDE. 195 
4. Pleurocera prasinata. 
Melania prasivata, Conrad, Amer. J. Sci. V, 1834. 
4 Coosa Rv., Alabama ; coll. Rev. E. R. Beadle. 
5. Pleurocera annulifera. 
Melania annulifera, Conrad, New freshwater Shells, 1834. 
2 Alabama; coll. Prof. W. Newcomb. 
6. Pleuroccera clarkii. 
Melania clarkii, Zea, P. Acad. Nat. Sei., 1862, “ Dueck Creek, Tennessee,” 
2 Alabama; coll. Prof. W. Newcomb. 
7. Pleurocera elevata. 
Melania elevata, Say, J. Acad. Nat. Sci. If, 1821. 
var, elongata. 
Melania elongata, Lea, Philos. Trans. IV, 1832, West Tennessee, 
2 Alabama; coll. Prof. W. Newcomb. 
8. Pleurocera troostii. 
Trypanostoma troostii, Lea, P. Acad. Nat. Sei. 1862, Tennessee, Alabama, 
and Indiana. 
4 Alabama; coll. Prof. W. Newcomb. 
9. Pleurocera monilifera. 
Trypanostoma moniliferum, Lea, P. Acad. Nat. Sci., 1862, Tennessee, 
Indiana, &e. 
2 Alabama; ex c. Prof. W. Newcomb. 
10. Pleurocera lesleyi. 
Trypanostoma Lesleyi, Lea, P. Acad, Nat. Sci. 1864,——Hast Tennessee 
and Kentucky. 
1 Kentucky ; coll. Prof. W. Newcomb. 
