OF CONCHOLOQY. 37 



185. G. Gabbiana, Lea, Fig. 242. Ovately fusiform, 

 smooth, rather thin ; spire slightly elevated, sharp-pointed, 

 suture moderate; whorls 8, convex and varicose; aperture 

 small, sub-rhomboidal. Horn-color, not handed. Tain., Ala. 



185a. G. pulla, Lea. Fig. 243. Fusiform, obtuse, smooth ; 

 spire obtusely elevated, suture irregularly impressed; whorls 7, 

 slightly convex ; aperture small, ovately rhomboidal. Dark 

 brown, shining, light purplish within. Cumberland Gap, E. 

 Term. 



186. G. sordida, Lea. Figs. 244—247. Conical, smooth, 

 somewhat thick ; spire obtuse, suture well impressed ; whorls 

 (eroded), slopingly convex; aperture rather large, somewhat 

 rounded. Dark horn-color, bluish within. Tenn.; Ala.; Sa- 

 line Co., Ark. 



Fig. 244 represents the type ; Fig. 245 is G. plebeia, Anth.; Fig. 246, G. 

 brunnea, Anth.; and Fig. 247, G.perfuscn, Lea. 



187. G. clavsef oralis, Lea. Fig. 249. Club-shaped, smooth, 

 rather thin, spire acute, suture somewhat impressed ; whorls 

 8, convex, the last a little compressed around the upper part ; 

 aperture elongated. Chestnut-brown, shining, light purple 

 within. Ocoee District and Clinch River, Tenn. 



188. G. castanea, Lea. Fig. 250. Club-shaped, smooth, 

 rather thin ; spire elevated, carinate towards the apex, suture 

 narrow; whorls 8, somewhat convex; aperture small, ellipti- 

 cal. Dark brown, purple within. Maury Co., Tenn. 



191. G. adusta, Anth. Figs. 251— 254. Conical, smooth, 

 rather thick; spire elevated, acute, suture linear; whorls 8, 

 flattened, the last slopingly convex; aperture ovate, columella 

 deeply rounded, produced at base. Dark brown, purplish 

 within. Tenn. 



Figs. 251 and 252 represent G. adusta; Fig. 253 is G. funebralis, Anth.; 

 and Fig. 254, G. Cumberlandiensis, Lea. 



192. G. furva, Lea. Conical, rather thick; spire rather 

 elevated, suture furrowed; whorls flattened; aperture small, 

 sub-rhomboidal, angular at base. Dusky, purplish within. 

 Coosa River, Ala. 



193. G. dubiosa, Lea. Figs. 255, 256. Conical, smooth, 

 rather thin; spire attenuately conical, sharp-pointed, suture 

 impressed; whorls 10, somewhat convex; aperture rather 

 small, ovate. Eeddish horn-color, whitish within. Tenn. 



Fig. 256 is G. Estabrookii, Lea. 



194. G. lssvigata, Lea. Fig. 257. Obtusely conical, 

 smooth, rather thin ; spire rather short, carinate towards the 

 apex, suture linear; whorls 7, somewhat convex; aperture 

 rather large, elliptical, angular at base. Yellowish, white 

 within. Alabama River. 



