The Garden Snail. 
533 
lives under this magnificent roof is a kind of snail, dis- 
agreeable to the eye and insipid to the palate. They 
are found on the rocks, which are incessantly beaten by 
the surges and breakers, on the sea-shores of almost 
every country in the world. It is not by any glutinous 
liquid, as it has been asserted, that this fish adheres so 
strongly to the rock ; but by the simple process of pro- 
ducing a vacuum between its foot and the rock to which 
it affixes itself. 
The variety which is thrown into the sum of animated 
beings is so wonderfully great, that naturalists have 
reckoned more than a hundred and twenty-nine Species 
of Limpets, and nearly allied genera; the difference 
arising principally out of the diversity of the shells in 
form and colour. 
THE GARDEN SNAIL, {Helix aspersa,) 
Is furnished with four tentacula, two of which are 
smaller than the others ; at the end of these tentacula, 
which the animal pushes out or draws back, like tele- 
scopes, are blackish knobs, which are the eyes. The 
