MELANIIDA. 201 
24. Goniobasis decorata. 
Melania decorata, Anthony, P. Acad. Nat. Sci., 1860. 
6 Alabama; coll. Rev. E. R. Beadle. 
25. Goniobasis hydei. 
Melania hydeii, Conrad, New freshwater Shells, 1824. 
3 Georgia; ex c. Prof. Newcomb. 
26. Goniobasis plicifera. 
Melania plicifera, Lea, Philos. Trans. VI, 1836—Wahlamat, near junction 
with the Columbia River. 
1 Oregon [?]; ex c. A. Morelet, Esq. 
A magnificent specimen of the rare typical form, as figured 
in the Amer. J. Conch. I, pl. XXIV, fig. 3. 
var. oregonensis. 
Melania plicifera, var. oregonensis, Tryon, Amer. J. Conch. I, 1864, pl. 
XXIV, fig. 4, Oregon. 
10 Oregon; ex c. Prof. W. Newcomb, &c. 
var. bulimoides. 
Melania plicifera, var. bulimoides, Tryon, l. c., fig. 5-6, Oregon. 
8 Oregon ; ex c. Prof. W. Newcomb. 
27. Goniobasis carinifera. 
Melania carinifera, Lamarck, Hist., 1822. 
12 Georgia; ex c. Prof. Newcomb. 
var. bella. 
Melania bella, Conrad, New freshwater Shells, App., 1834. 
4, Alabama; ex c. Prof, W. Newcomb. 
28. Goniobasis bulbosa. 
Melania bulbosa, Gould, P. Bost. S. IT, 1847— Columbia River. 
12 California ; ex c. Profs, E, C. Stearns and W. Newcomb. 
