GONIOBASIS. 



321 



230. G. grisea, Axtiioxy. 



Melania grisea, Anthony, Proc. Acad. Nat. Sci., 1860, p. Gl. Reeve, Monog. Mela- 

 nia, sp. 390. Brot, List, p. 32. 



Description. — Shell ovate, smooth, thick, of a dull gray color; 

 whorls seven, couvex; sutures very distinct; body-whorl obscurely 

 ribbed, and having two or three inconspicuous bands revolving around 

 it ; aperture large, ovate, banded within ; columella deeply indented, 

 with a white callus, unusually thickened at the summit Fig. 618. 

 of aperture ; sinus broad but not distinct. 



Habitat. — Tennessee River, North Alabama. 



My cabinet. 



Observations. — A single specimen onlj' of this species 

 has come under my notice, but I cannot consider it re- 

 ferable to any described species. The bands are very 

 obscure, scarcely perceptible, and those within the aperture are ar- 

 rested before reaching the edge of the lip. The ribs which are incon- 

 spicuous on the spire become more decided on the body-whorl, and 

 sometimes appear as varices there ; the spire is very obtusely ele- 

 vated.— Anthony. 



This species much resembles G. variata, Lea. 



231. G. culta, Lka. 



Melania culta, Lea, Proc. Acad. Nat. Sci., p. 121, 1861. 



Goniohasis culta, LEA, Jour. Acad. Nat. Sci., v, p. 13, p. 237, t. 34, f. 36, March, 1863, 



Obs., ix, p. 59. 

 Melania suavis, LEA, Proc. Acad. Nat. Sci., p. 169, 1861. 

 Goniohasis suavis, Lea, Jour. Acad. Nat. Sci., v, pt. 3, p. 228, t. 34, f. 19, March, 



1863. Obs., ix, p. 50. 



Description. — Shell rugosely striate, subfusiform, inflated, rather 

 thick, greenish-yellow, shining, three-banded ; spire very obtuse ; 

 Fig. 619. sutures irregularly and very much impressed ; whorls seven, 

 carinate above ; aperture wide, subrhomboidal, whitish with- 

 in and banded; outer lip acute; columella incurved, pale 

 rose-color, angular below. 



Habitat. — Coosa River, Alabama ; E. R. Showalter, M.D. 

 Diameter, -42; length, -79 of an inch. 

 Observations. — A single specimen only was received from Dr. E. R. 

 Showalter, and this may not be entirely mature. It has six coarse, 



L. F. W. S. IV. 21 



