430 liemarks on Certain S_pecies 



JEdgariana there are distant sliort prostrate liairs, with strongly 

 marked scars on the shelL Fresh or young specimens have no 

 doubt the ciHa, as in II. spinosa. 



The specimen had from Bishop Elliott measures, 



Diam. maj. 9, min. 8, Alt. 5 mill. 



Helix labrosa hot. sp. 



Plate IV., fig. 19, (twice nat. size.) 



T. imperforata, lenticulari, carinata, caiina pone aperturam subobsoleta, 

 solida, arcuatim striata, sub epidermide fiisco-cornea ; epidermide tenui, 

 supra setis piostratis munita ; spira convexo-conoidea, obtusula ; anf. 5^ 

 planiusculis, ultimo antice deflexo, constricto, basi subinflato, lineis 

 numerosis spiralibus impressis sub epidermide ornato ; apertura perob- 

 liqua, anguste auriformi, dcnte valido in toto pariete aperturali linguse- 

 formi arcuatim intrante coarctata ; perist. calloso, reflexiusculo, margi- 

 iiibus callo sinuato junctis, margine basaH incrassato, introrsum perdila- 

 tato, medio valde inciso. 



Shell imperforate, lenticular, carinated, the carina somewhat 

 obsolete behind the aperture, solid, with curved strise, dark- 

 brown colored beneath the epidermis, thin epidermis with pros- 

 trate hairs; spire convex-conoid, obtuse; whorls 5|^, rather 

 convex, the last deflexed, constricted, the base inflated, and 

 sculptured beneath the epidermis with numerous impressed 

 spiral lines; the aperture very oblique, narrowly ear-shaped, 

 contracted by a strong linguiform tooth extending along the 

 entire parietal wall ; peristome callous, somewhat reflected, the 

 margin joined by a sinuous callus, the basal margin thickened, 

 inwardly much dilated, with a deep and wide notch in the 

 middle. 



Diam. maj. Vl\\ min. 10, Alt. 6^ mill. 



Hahitat. — Waschita Springs, Arkansas (Cabinet of "W. G. 

 Binney) ; Hot Springs, Arkansas (Cab. Smithsonian Institu- 

 tion) ; Alabama (W. G. Binney) ; Tennessee (Bishop Elliott!). 



