NEW FRESH WATER AND LAND SHELLS. 177 



Shell folded, fusiform, rather thick, horn colour; spire obtuse; sutures impressed ; whorls four, the last 

 semi-plicate; aperture large, whitish. 



Hab. Tenn. Dr. Troost. 



My Cabinet, and Cabinet of Dr. Troost. 

 Diam. .27, Length .55 of an inch. 



Remarks. — A fusiform species with costse or folds half-way down the last 

 whorl. 



Melania Lecontiana. Plate 5, Fig. 29. 



Testa plicatd, conoided, crassa, cornea; spird obtuso-elevatd; suturis parvis; anfractibus senis, planu- 

 latis; aperturd magna, ellipticd, cceruled. 



Shell fo]ded,conical, thick, horn colour; spire obtusely elevated ; sutures small; whorls six, flattened ; 

 aperture large, elliptical, bluish. 



Hab. Georgia. Major Le Conte. 



My Cabinet, and Cabinet of Major Le Conte. 

 Diam. .35, Length .80 of an inch. 



Remarks. — The folds of this species extend over the whole shell, except the 

 inferior half of the body whorl. The aperture is large, and somewhat dilated, 

 being nearly one-half the length of the shell. 



I owe the possession of several specimens to the kindness^of Major Le Conte, 

 to whom I dedicate it. 



Melania corrugata. Plate 5, Fisf. 30. 



Testa plicatd, conoided, subtenui, diaphana, transverse striata, corned; spird suhelevatd; suturis 

 valde impressis; anfractibus septenis, convexis, superne cancellatis ; aperturd subgrandi, ellipticd, infra 

 angulatd, albidd. 



Shell folded, conical, rather thin, translucent, transversely striated, horn colour; spire rather elevated; 

 sutures very much impressed; whorls seven, convex, cancellated above; aperture rather large, elliptical, 

 angular below, whitish. 



Hab. Tenn. Dr. Troost. 



My Cabinet, and Cabinet of Dr. Troost. 

 Diam. .22, Length .50 of an inch. 



