156 AMERICAN JOURNAL 



hind the lip, the balance of the base nearly smooth ; base with- 

 out groove, showing a little more than one whorl, and with a 

 minute perforation ; aperture with reflected lip, the extremities 

 of which are joined by a callus, forming a large V-sbaped tooth ; 

 right margin with two teeth, one of them basal and oblique, the 

 other submarginal and lamellar. 



Diam. 7, height 3 mill. 



Florida. 



22. Dsedalochila espiloca, Ravenel. 



Plate 11, figures 7, 8, 9. 



Spire slightly elevated and a little convex, periphery suban- 

 gular, well rounded below ; whorls 5, thin, ribbed-striate above, 

 finely striate below, suture moderate ; the last Avhorl a little 

 deflected and contracted behind the aperture ; base showing 1^ 

 whorls, the umbilical region bounded by an angle ; margin of 

 aperture continuous, the parietal tooth linguiform, the upper lip 

 tooth hook-shaped at its lower termination, the basal tooth ob- 

 lique. Horn color, shortly hirsute. 



Diam. 8, alt. 8-5 mill. 



Sullivan's Island, South Carolina. 



23- DaedalocMla Postelliana, Bland. 



Plate 11, figures 10, 11, 12. 



Spire slightly elevated, conical; whorls 5, ribbed-striate 

 above, finely striate below, periphery subangular ; aperture ear- 

 shaped, much contracted, the margins joined by a large lingui- 

 form parietal tooth entering the aperture, right margin with a 

 deep-seated lamella terminating below in a hook, basal margin 

 with a prominent oblique lamella extending to the edge of the 

 Lip. Brownish horn-color, thin, pellucid, aperture white. 



Diam. 9*5, alt. 5 mill. 



Georgia. 



