OF CONCnOLOGY. 3Y 



185. G. Gabbiana, Lea. Fig. 2-42. Ovatelj fusiform, 

 smooth, ratlier thin ; spire slightly elevated, sharp-j^ointed, 

 suture moderate; whorls 8, convex and varicose; aperture 

 small, sub-rhomboidal. Horn-color, not banded. Tenn., Ala. 



185a. G. puUa, 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. Cumhtrland Gap, E. 

 Tenn. 



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 O. plebeia^ Anth.; Fig. 246, O. 

 brunnen, Anth.; and Fig. 247, G.pei'fusca, Lea. 



187. G. clavSBformis, Xea, 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, ^n^/i. 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 253 represent O. admta; Fig. 253 is Q. funebralis, Anth.; 

 and Fig. 254, G. Cumherlandiensis, 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. Reddish horn-color, whitish within. Tenn. 



Fig. 256 is O. Ednhrookii, Lea. 



194. G, laevigata, 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. 



