101 
HELIX GENTIL 
TAB. CXLY. 
Spec, Char, Discoid, gibbose, smooths with a 
spiral band along' the upper part of the whorl ; 
aperture large, expanded, elliptical, 
Rather less than an inch high, and an inch and a half 
wide; the striae of growth are rather obscure, except 
near the upper part of the whorl, where they run into a. 
narrow sulcus that forms the spiral band. 
I am favoured with permission to draw this pretty 
cast by Mrs. Gent, whose name I have given it in com- 
memoration of that scientific zeal which trusted ap 
unique tender micaceous sandy cast to travel so far. I 
presume it to be an Helix, as somewhat according with 
tab. 10 and the position of the band is probably a good 
characteristic distinction : it was gathered in the mica- 
ceous sand formation near Devizes, 
VOL. II. 
