[ 105 1 

 18. Dsedalocliila Hazardi, Bland. 



Plate 10, figures 27, 28, 29. 



Depressed above, convex below; whorls 5, narrow, ribbed above 

 and below, periphery not carinate, aperture sub-reniform ; lip-ex- 

 tremities connected by a V-shaped parietal tooth, lip teeth deep- 

 seated, the lower one tlie largest and partly obscuring the upper 

 one, which is situnted farther in ; externally scrobiculate opposite 

 to these teeth. Epidermis sparingly hirsute, brown. 



Diam. 7, height 3 mill. lVH" ,\ ^.^ ~''^' 



Kentucky, Tennessee, Georgia, Alabama. 



Distinguished from Troostiana by not being carinate, and by 

 the lower tooth, which runs blade-shaped into the aperture a 

 short distance. 



ttt Two parietal lamellar teeth running within the shell. 



Daedalochila ? hippocrepis, PfeiiFer. 



Plate 10, figure 42. 



Shell heavy, depressed, opaque, with flattened spire and im- 

 pressed suture ; whorls 5J, scarcely convex above ; periphery 

 angulate below, convex, abruptly reflected at the aperture and 

 constricted behind the lip ; umbilicus expanded and grooved, 

 with a minute central perforation ; aperture extending from the 

 periphery to the umbilicus, somewhat ear-shaped, lip white, ex- 

 panded, its extremities connected by a V-shaped tooth, the two 

 laminae of which run far within the shell ; upper portion of the 

 lip with an entering angle, basal portion callous and reflected. 



Diam. 12, height 5 mill. C^oll^f. (^,^.~ 



New Braunfels, Texas. 



** Aperture expanded, ear-shaped, its margin continuous ; up- 

 per lip tooth hook-shaped. f 



20. Dsedalochila auriformis, Bland. 



Plate 11, figures 1, 2, 3. 



Depressed and ribbed-striate above, periphery siibangular, 

 convex and smooth beneath ; whorls 5| — 6, suture moderate, the 

 last one slightly deflected and expanded at the aperture into an 



