OF CONCHOLOGY. 29 



121. G. vicina, Anth. Fig. 170. Conical, thick, rather 

 smooth ; spire short, suture linear ; whorls 6, upper ones sub- 

 convex ; body whorl a little shouldered beneath the suture, 

 and angulated in the middle; aperture rather large, rhom- 

 boidal. Yellowish-brown, with a narrow brown band, in- 

 creased to two on the body whorl. Ala. 



122. G. Spartenburgensis, Lea. Fig. 171. Fusiform, 

 rather thin ; spire acutely conical, carinate at apex, suture im- 

 pressed; whorls 8, flattened. Bright greenish horn-color, 

 banded or without bands. Spartenburg hist., S. C; Marietta, 

 0.; Wabash River, Ind. 



123. G. modesta, Lea. Fig. 172. Conical, fusiform, ra- 

 ther thin ; spire rather elevated, suture linear ; whorls 8, flat- 

 tened, the last angular in the middle. Dark horn-color. Chat- 

 tahoochie River, Columbus, Geo. 



e. Whorls very strongly angulated. 



125. G. Gerhardtii, Lea. Figs. 173, 174. Conical, thin, 

 shining ; spire regularly conical, suture impressed ; whorls 6, 

 flattened above, the last one large, carinate and angulate in 

 the middle ; aperture large, sub-rhomboidal. Yellowish-green 

 to dark brown, banded, whitish within. Geo.; Coosa River, 

 Ala. 



Fig. 174 is G. infuscata, Lea. 



125a. G. fratema, Lea. Fig. 175. Fusiform, thin; spire 

 obtusely conical, suture well impressed ; whorls 6, planulate, 

 acutely carinate above the suture, the body whorl carinate in 

 the middle ; aperture small, ovately rhomboidal, columella 

 twisted below, a little effused at base. Yellowish, with or 

 without four brown bands. Cahawba River, Ala. 



127. G. acutocarinata, Lea. Figs. 176 — 178. Fusiform, 

 elevated, somewhat thick ; spire elevated, suture much im- 

 pressed ; whorls 6, flattened, shelving, carinate above the su- 

 ture, the last carinate in the middle; aperture small, rounded 

 below, columella curved to the right at base. Dark brown, 

 purplish within. E. Tenn. 



Fig. 177 represents O. pagodiformis, Anth., and Fig. 178, G. torulosa, 

 Anth. 



f. Body ivhorl bi-niultiangulated.. 



128. G. tabulata, Anth. Ovate conic, smooth, thin; spire 

 concavely conical, suture distinctly impressed ; whorls 5, upper 

 ones convex, the penultimate flat, and the last sub-cylindrical, 

 angulated into several planes; aperture large, ovate. Dark 

 brown, reddish-purple within. Tenn. 



