272 LAND AND FRESH-WATER SHELLS OF N. A. [pART IV. 



spire elevated, carinate towards the apex; sutures small; whorlsl 

 eight, somewhat convex; aperture small, elliptical, purple. 



Habitat. — Maury County, Tennessee; Thomas R. Duttou. 



Diameter, '25 ; length, -67 of an inch. 



Observations. — This species is remarkable for its club-shaped form. 

 It differs from the clavccformis herein described, in having a I 



Fig. 522. -^ ' » I 



less pointed apex, in being a smaller species, and in being 

 of a darker color. The first three or four whorls are cari- 

 nate, and disposed also to be striate and plicate. The aper- 

 ture is about one-third the length of the shell. The three! 

 individuals before me are entirely purple inside, and thisj 

 gives a very dark appearance to the shell. — Lea. 



172. G. clavseformis, Lea. 



Melanin clavceformis. Lea, Philos. Pioc, ii, p. 13, Feb., 1841. Philos. Trans., viii, 

 p. 1G8, t. 5, f. 10. Obs.,iii, p. 0. DeKay, Moll. N. Y., p. 93. Jay, Cat.. 4th edit., 

 p. 27:5. Troost, Cat. Shells Tennessee. Wheatlev, Cat. SlielLs U.S., p. 2.5. 

 Reeve, Monog. Melania, sp. 39G. Binney, Check List, No. 57. Catlow, Conch. J 

 Nomenc, p. 18G. Brot, List, p. 37. 



Description. — Shell smooth, club-shaped, rather thin, chest- rig. 523. 

 nut-brown, shining; spire acute; sutures somewhat im- 

 pressed; whorls eight, convex; aperture elongated, light 

 purple. 



Habitat. — Ocoee District and Clinch River, Tennessee. 



Diameter, -27; length, -67 of an inch. 



Observations. — The aperture is about one-third the length of the 

 shell. In color it differs from most species. — Lea. 



173. G. adusta, Anthony. 



Melania adusta, Anthony, Proc. Acad. Nat. Sci., p. 55, Feb., 1800. Binney, Check 

 List, No. 2. Brot, List, p. 37. Reeve, Monog. Melania, sp. ,338. 



Melania funehr alls, Anthony, Proc. Acad. Nat. Sci., p. 5G, Feb., 18U0. Binney,' 

 Check List, No. 114. Brot, List, p. 38. Reeve, Monog. Melania, sp. .372. 



Goniobasis CumberlancUensis, Lea, Proc. Acad. Nat, Sci., p. 155, May, ISG.!. 



Description. — Shell conical, smooth, shining; color dark brown, 

 with a pale line near the sutures; whorls 7-8, flat; body-Avhorl rather 

 large, subaugulated, and with somewhat coarse lines of growth; sut- 

 ures distinct, but not remarkable; aperture ovate, dark purple within ; 

 outer lip curved ; columella deeply rounded, a broad sinus at base. 



Habitat. — Tennessee. 



