NATURALIST'S CABINET. 



Spinning slug Intestinal worms. 



head or tail be cut off they will multiply and be- 

 come distinct slugs. 



The spinning slug is of a greyish white colour, 

 with a yellowish shield, and is generally about 

 three fourths of an inch in length. It is said to 

 be common in woods, and shady places. From 

 the under parts it spins a thread ; in which act it 

 alternately pushes out and draws back its head, 

 and turns it as far as possible, first to one side 

 and then to the other. 



WORMS. 



THE first order of worms which we shall con* 

 sider, is the intestinal, which inhabit the bodies 

 of different animals. The tape worms or ta3niae, 

 are generally found in the alimentary canal, and. 

 usually about the upper part of it, where there is 

 the greatest abundance of chvle, which seems to 



O ^ 



be their natural food. These are very simple in 

 structure ; for, being intended to be nourished 

 by already digested food, they are not provided 

 -with complicated organs of digestion. Their 

 body is flat, and composed of numerous articula- 

 tions; and the head has four orifices for suction 

 a little below the mouth, which is terminal, and 

 continued by a short tube into two ventral ca- 

 nals. The mouth is generally crowned with a 

 double series of retractile hooks or holders. 

 Mankind is subject to several different species 



