16 LECTURE I. 



animals furnished with blood-vessels, contains the 

 major part of what Linnaeus calls Mollusca or 

 soft-bodied animals, and also all the Crustacea or 

 such as are furnished with a moderately hard or 

 crustaceous covering. In the second division of 

 Invertebrated animals, are contained those which 

 are supposed to be destitute of a regular system of 

 blood-vessels ; these animals are Insects and Zoo- 

 phytes ; Monsieur Cuvier not allowing a circu- 

 lation of the blood in insects, and in the animals 

 called Zoophytes, it has certainly never been 

 observed. 



Such is the general outline of Monsieur Cu- 

 vier's Zoological System. 



His institution and arrangement of the various 

 genera of animals, under each more particular 

 division of his system, is conducted with great 

 anatomical precision, and evinces the highest de- 

 gree of philosophical knowledge of animals ; but 

 the whole arrangement has a somewhat compli- 

 cated and forbidding appearance to a general 

 reader, and is of course less immediately attrac- 

 tive than the more simple arrangement of Lin- 

 naeus. 



Animals are, in general, sufficiently and readily 



