30G LAND AND rHESn-WATEU SHELLS OF N. A. [tAKT IV. 



channel. It is allied to Melania (Goniobasis') elliptica (nobis) and 

 Melanin (Goniobasis') auriculccformis (nobis), but differs from the 

 former in being smaller and having a less constricted aperture ; from 

 the latter in being larger and having a more obtruded spire, and in 

 the bands. The aperture is about half the length of the shell. — Lea. 



209. G. Shelbyensis, Lka. 



Melania Shelbyensis. Lea, Proc. Acad. Nat. Sci., p. 121, 1861.' 



Goniobasis Shelbyensis, LEA, Jour. Acad. Nat. Sci., v, pt. 3, p.22S, t. 34, f. 18, March, 

 18G3. Obs., i-\-, p. 50. 



Description, — Shell smooth, fusiform somewhat thiclc, banded or 



without bands; spire obtuse!}' conical; sutures impressed; whorls 



flattened above; aperture rather small, subovate, white with- 

 rig.589. 



in; outer lip acute; columella inflected, obtusely angular at 



base. 



Habitat. — Yellowleaf Creek, Alabama; Dr. E. R. Showalter. 



Diameter, -38 ; length, -SG of an inch. 



Observations. — This species is allied to clausa and to bellula 

 herein described. It is more elliptical than either, and smaller than 

 the former. One of the specimens before me has four well defined, 

 though not strong, bands, while another is entirely without any. The 

 aperture is nearly half the length of the shell. Neither of the two 

 specimens before me has a perfect spire, and hence the number of 

 Avhorls cannot be ascertained. — Lea. 



This species is closely related to G. pudka., but differs some- 

 what in the base of the aperture and the whorls are flattened. 



210. G. fumea, Lea. 



Melania fumea, Lea, Proc. Acad. Nat. Sci., 1861, p. 123. 



Goniobasis fumea, Lea, Jour. Acad. Nat. Sci., v, pt. 3, p. 222, t. 34, 1. G, Jfarch, 1813. 

 Obs., i.x, p. 44. 



Description. — Shell smooth, conical, rather thin, sooty brown, 

 sometimes obscurely banded ; spire somewhat raised ;• sut- j,j gg^^ 

 ures irregularly impressed ; whorls flattened above, somewhat 

 inflated below; aperture ovately rhombic, whitish within; "Ej 

 outer lip acute ; columella inflected, slightly thickened above, 

 rounded at the base. 



Diameter, -30 ; length, -80 of an inch. 



Habitat.— Yellowleaf Creek, Shelby Co., Ala. ; Dr. E. R. Showalter. 



