434 Binney's Monograph of the Helices | 
aperture is the same in both. The lustre of the 
epidermis = a of satin. 
46. HELIX LAME TURE: $ 
a XXI. fg. 2. 
_ —H. testa parva, orbiculato-depressi, umbilicatá, tenui, albidà ; an- 
fractibus quatuor, convexis, obliqué et minutissimé .striatis ; apertura 3 
sub-circulari, tendi: acuto, 
Synonyms AND Rerenences. 
Helix limatula, Ward. ined. 
Descntrrion. 
— Animal.. Not observed. | 
Shell. Small, convex-depressed ; sedi ilt 
immaculate ; suture ; distinctly impressed ; whorls — 
more than four ex, with very fine, oblique; 
parallel striæ, high become obsolete on the base ; 
"aperture sub-circular, slightly modified by the penul- - 
c3 whorl ; Zip thin, acute ; umbilicus, € and 
» eep, not extiiihing all the violütislia: 2 
Greatest: ‘transverse diameter about one Me of an 
nch. 
| GER Disrmmorrow. Has been rout in 
many places in Ohio and in Indiana. It probably 
inhabits all the low’ grounds "dai on the Ohio 
and its tributaries. 
Remarks. This shell resembles in a conis 
. degree the preceding, particularly when the epide: | 
t that species has become bleached, but may be 
' | ~_ from it on comparison. Its is 
; 997. 
? 
"i 
m * Á 
$ E P 
ë 
