2UO . MELANIIDJ). 



20. Goniobasis livescens. 



Melania livescens, MenJce, Syn. Meth. 1830. 



12 Michigan ; coll. Rev. E. R. Beadle. 

 5 New York ; coll. Prof. W. Newcomb. 



var. cuspidata. 



Melania cuspidata, Anthony, P. Sost. S., 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, Hon. Limn. 1854. 



2 Indiana; ex c. Prof. W. Newcomb [sent as " G. varicosa"'], 



var. exilis. 



Melania exilis, Haldeman, Snp. Mon. Limn. 1S40. 

 4 New York ; ex c. Prof. W. Neweomb [as " G. exilis "]. 



? var. [? dist. sp.] 



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

 Mixed with 0. aterina. 



23. Goniobasis nodulosa. 



Melania nodulosa, Lea, PMlos. Proc. II, 1841 Tennessee. 

 2 Tennessee ; coll. Prof. W. Newcomb. 



