MELANIID^, ' 201 



24. Goniobasis decorata. 



Melania decorata, Anthony, P. Acad. Nat. Set., 1860. 

 6 Alabama ; coll. Pvev. E. R. Beadle. 



25. Goniobasis hydei. 



Melania hydeii, Conrad, Neiv freshivater Shells, 1824. 



3 Georgia; ex c. Prof. Newcomb. 



26. Goniobasis plicifera. 



Melania plicif era, Xea, P/^//os. 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, pi. XXIV, fig. 3. 



var. oregonensis. 



Melania plicifera, var. oregonensis, Tryon, Amer, J. Conch. I, 1864, pi. 

 XXIV, jig. 4, Oregon. 



10 Oregon; ex c. Prof. W. Newcomb, &c. 



var. bulimoides. 



Melania plicifera, var. bulimoides, Tryon, I. 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 freshtoater Shells, App.,1834. 



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



28. Goniobasis bulbosa. 



Melania bulbosa, Gould, P. Post. S. II, 1847— Columbia River. 

 12 California; ex c. Profs. E. C. Stearns and W. Newcomb. 



