74 Bulletin 4 188 



Gastropoda. 



ACTy^ON. 



AcicB07i {^Tornatellcea) bella, PI. 7, fig. 3. 



Syn. — T. bella Con., Jr. Ac. Nat. Sci., Phila., vol. iv, i860, 

 p. 294, pi. 47, fig. 23. 



Conrad'' s original description of the sub-genus. — "Ovate, ventri- 

 cose; columella with two slender, prominent folds, the lower fold 

 not distinctly continuous with the margin of the base. 



Specific description. — "Ovate; spire conical; revolving lines nu- 

 merous, impressed, punctate-striate. " 



Conrad does not give the exact locality of this species, but we 

 know it to be very abundant in the Lignitic of Alabama. 



Localities. — Mississippi: i mi. N. of Ripley (see fig.) 



Alabama: Black Bluff, Tombigbee river; i mi. N. 

 of Midway, Wilcox Co. 

 . Type.— Ac. Nat. Sci., Phila. 



ActcBon (yTornatellcBa) quercollis n. sp., PI. 7, fig. 4. 



Specific characterization. — General form as shown by the figure; 

 spire usually broken at apex, remaining whorls slightly shouldered 

 above but becoming more rectilinear below, traces of lines of 

 growth sometimes present, spiral striae rather faint; body whorl 

 somewhat shouldered, sides rather straight, spiral striae fainter 

 above and stronger below; columella in adult specimens wdth two 

 well marked folds; aperture truncated anteriorly; labrum thin at 

 margin, strongly lirate and varicose within. 



Localities. — Alabama: The best specimens in hand are from 

 the National Museum, Stations 264 and 283, Wil- 

 cox Co. They are doubtless from bed 9, section 

 p. 31. Others in the University collection are 

 from y2 mi. W. of Graveyard hill, Wilcox Co. 

 Tennessee: Small specimens, probably of this 

 species, are from Hannah's, bed/, 1% mi. N. E. 

 of Crainesville. 



Type. — Collection U. S. Nat. Museum. 



ATYS. 



Atys robustoides? , PI. 7, fig. 5. 



Syn. Atys robustoides Aid., Bull. Am. Pal., No. 2, p. 6, pl. 2, 

 figs. 4, 4a, 1895. 



