THE 
DILATED SNAIL. 
Generic Character. 
Animal resembling a Slug. 
Shell spiral, sub-pellucid. 
Aperture semilunar. 
Specific Character. 
SUBGLOBOSE smooth subumbilicated Snail, 
with the spires enlarging at the upper part, 
and with ovate-oblong aperture. 
The Helix ampullacea is a native of India, and is 
said principally to be found in marshy situations : it 
is represented in its natural size on the annexed 
plate. 
