OP CONCnOLOGY.- 39 



204. G. Haleiana, Lea. Fig. 276. Subulate, very nar- 

 row, smooth, thin, polished ; spire much elevated, suture im- 

 pressed ; whorls 9, convex; aperture small, ovate, angular at 

 the base. Yellowish horn-color, sometimes with two bands, of 

 which the lower is broadest. Alexandria, La. 



205. G. rubella, Lea. Fig. 277. Awl-shaped, carinate 

 and striate above, rather thin ; spire attenuate, suture very 

 much impressed; whorls 8, very convex; aperture quite 

 small. Eeddish, without bands. Murphy, Cherokee Co., N. C. 



206. G. spinella, Lea. Fig. 278. Much attenuated, smooth, 

 thin; spire elevated, sharp -pointed, suture well impressed; 

 whorls 9, somewhat flattened ; aperture very small, ovate. 

 Dark olive. Lighter on the suture, not banded, white within. 

 Sycamore, Claiborne Co., Tenn. 



207. G. Draytonii, Lea. Fig. 279. Smooth, conical, 

 thick ; spire raised, suture very much impressed ; whorls 6, 

 convex; aperture small, ovate. Dark chestnut-brown, with- 

 out bands or obscurely banded, dark brown within. Fort 

 George and Walla, Oregon. 



207a. G. nigrina, Lea. Conical, smooth, thin, polished ; 

 spire elevated, suture impressed; whorls 6, slopingiy convex; 

 aperture small, ovate. Dark olivaceous or nearly black, pur- 

 ple or olivaceous within. California. 



Distinguished from O. Draytonii by color and texture. 



208. G. proximia. Say. Figs. 281 — 28-4. Conical, rather 



slender, smooth, shining; spire acute, carinate, suture much 



impressed ; whorls 7, slopingiy convex ; aperture rather large, 



rhomboidal. Reddish-brown, with or without bands. N. C, 



S. C, Tenn., Alabama River. 



Fig. 281 is approximate/,, Hald.; Pig. 282, abjecla, Hald.; Fig. 283, rubri- 

 cata, Lea ; Fig. 284, Taitiana, Lea. 



208a. G. rufescens. Lea. Fig. 285. Elongated, conical, 

 smooth, rather thin, shining ; spire elevated, suture well im- 

 pressed ; whorls 7, convex, carinate towards the apex ; aper- 

 ture small, elliptical, angular below. Dark red, purplish 

 within. Mamma's Creek, Tenn. 



i. Striate species, spire elevated. 



209. G. Virginica, Gmel, Figs. 286—290. Elongated, 

 conical, smooth, rather thin; whorls 6, the upper ones cari- 

 nate, convex or flattened, either smooth or with one to ten re- 

 volving strias; aperture elongate-elliptical. Brownish or oliva- 

 ceous, generally with two bands. Middle States. 



A ve;y variable species. 



