200 MELANIIDA[, 
20. Goniobasis livescens. 
Melania livescens, Menke, Syn. Méth. 1830. 
12 Michigan; coll. Rev. E. R. Beadle. 
5 New York; coll. Prof. W. Newcomb. 
var. cuspidata. 
Melania cuspidata, Anthony, P. Bost. §., 1850. 
2 Ohio; ex c. Prof. W. Newcomb. 
21. Goniobasis proxima. 
Melania proxima, Say, J. Acad. Nat. Sci., 1825. 
7 N. Carolina; coll. Rev. E. R. Beadle. 
22. Goniobasis semicarinata. 
Melania semicarinata, Say, New Harm. Diss., 1819. 
5 Ohio; ex c. Prof. W. Newcomb. 
var. Varicosa. 
Melania varicosa (Ward), Haldeman, Mon. Limn. 1854. 
2 Indiana; ex c. Prof. W. Newcomb [sent as “ G. varicosa’’], 
var. eXilis. 
Melania exilis, Haldeman, Sup. Mon. Limn. 1840. 
4 New York; ex c. Prof. W. Neweomb [as “ @. ewilis ”]. 
P var. [P dist. sp.] 
6 Kentucky ; ex c. Rev. E. R. Beadle. 
Mixed with G. aterina. 
23. Goniobasis nodulosa. 
Melania nodulosa, Lea, Philos. Proc. IT, 1841 —Tennessee, 
2 Tennessee ; coll. Prof. W. Newcomb. 
