OP CONCHOLOGY. 23 



65. G. COntinens, Lea. Figs. 105, 106. Conical, rather 

 thin; spire irregularly conical, suture impressed; whorls 7, 

 somewhat convex, those of the spire with curved folds. Yel- 

 lowish horn-color, not banded, bluish-white within. N. Ala. 



Fig. 106 is 67. proletaria, Lea. 



66. G. viridicata, Lea. Fig. 107. Elongate conical, thin; 

 spire conical, exserted, suture impressed; whorls 7, somewhat 

 convex, those of the spire rather closely folded. Greenish, not 

 banded, bluish-white within. Grayson Co., Ky. 



67. G. purpurella, Lea. Fig. 108. Conical, thin, shining; 

 spire conical, suture impressed; whorls 7, slightly convex, 

 folded, and decussated by a single line below the suture. Pur- 

 plish, sometimes banded, dark within. Cany Fork River, 

 Tenn. 



68. G. semicostata, Com: Fig. 109. Conical, somewhat 

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

 finely spirally striate, those of the spire folded ; body whorl 

 without ribs, obscurely striate above, sub-biangulated in the 

 middle. Dark horn-color, banded, bluish- white within. N. 

 Ala, 



69. G. dislocata, Rav. Fig. 110. Conical, rather thick; 

 spire elevated, suture well impressed; whorls convex, those of 

 the spire rudely ribbed. Light yellow. Ban River, N. C. 



69a. G. Lindsleyi, Lea. Fig. 111. Cylindrically conical, 

 rather thin ; spire conoidal, suture very much impressed ; 

 whorls flatly convex, with erect folds. Yellowish horn-color, 

 not banded, bluish-white within. Tenn. 



Narrower, and more ribbed than 67. dislocata (No. 69). 



70. G. paupercula, Lea. Fig. 112. Sub-cylindrical, ra- 

 ther thin; spire rather short, suture impressed; whorls some- 

 what convex, those of the spire folded, striate at the apex. 

 Chestnut-color or dark-olive, not banded, whitish within. N. 

 Ala. 



71. G. comeola, Anth. Fig. 113. Conical, very thin; 

 spire short, suture not much impressed; whorls 6, somewhat 

 fiat, folded, with revolving, raised strise. Light horn-color, 

 with sometimes four or five narrow bands. Coosa River, Ala. 



Undoubtedly a quite young shell. 



72. G. nassula, Conr. Figs. 114—116. Conical, some- 

 what thin ; spire elevated, suture irregularly impressed ; whorls 

 8, rather flattened, covered with close, raised striae, crossing 

 distant distinct ribs. Yellowish-brown. Tuscumbia, Ala.; 

 Cany Fork, Tenn. 



Fig. 116 represents O. Edgardiana, Lea. 



