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 the 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. 



