122 
LECTURE X. 
the Animals inhabiting the univalve, spiral shells, 
whose inhabitants are formed on the same plan. 
The genus Limax or Slug is characterized by hav- 
ing an oblong body, furnished above with a fleshy 
shield, and beneath with a flattened expansion, 
answering the purpose of a foot or locomotive or- 
gan. On the right side of tlie breast is a large 
orifice ; and on the front of the head are four 
feelers or tentacula, or, as they are popularly 
termed, horns. The most familiar example of this 
genus is the common black Slug, generally called 
the black Snail, so frequently seen in fields and 
gardens in damp weather. There is also another 
species, rather larger and of a brown colour, found 
in similar situations ; but the largest of the Bri- 
tish species is the Limax maximus of Linnaeus, 
which somewhat exceeds the size of both the for- 
mer, and is of a pale greyish-brown colour, spot- 
ted and streaked with black. All these animals 
feed entirely on vegetables, and are produced from 
whitish gelatinous eggs, deposited in shady situa- 
tions, beneath the surface of the ground. In al- 
most all particulars, except in not being furnish- 
ed with a shell, they resemble the common or 
Garden Snails. 
