MELANIHXaS. 



4. Pleurocera prasinata. 



Melania prasinata, Conrad, Amer. J. Sci. V, 1834. 

 4 Coosa Rv., Alabama j coll. Rev. E. U. Beadle. 



5. Pleurocera annulifera. 



Melania annulifera, Conrad, New freshwater Shells, 1834. 

 2 Alabama ; coll. Prof. W. Newcomb. 



6. Pleurocera clarkii. 



Melania clarkii, Lea, P. Acad. Nat. Sci., 1862, " DuoJc CreeJc, Tennessee" 

 2 Alabama; coll. Prof. W. Newcomb. 



7. Pleurocera elevata. 



Melania elevata, Say, J. Acad. Nat. Sci. II, 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. Sci., 1862, Tennessee, Alabama, 

 and Indiana. 



4 Alabama ; coll. Prof. W. Newcomb. 



9. Pleurocera monilifera. 



Trypanostoma moniliferum, Lea, P. Acad. Nat. Sci., 1862, Tennessee, 

 Indiana, fyc. 



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



10. Pleurocera lesleyi. 



Trypanostoma Lesleyi, Lea, P. Acad. Nat. Sci. 1864, East Tennessee 



and Kentucky. 



1 Kentucky ; coll. Prof. W. Newcomb. 



