DEFINITION OF THE TERM INSECT. 1 



as distributed in the animal and vegetable kingdoms- 

 Thus : 



Our learned author here divides the animal kingdom 

 into what may be denominated five sub-kingdoms or pro- 

 vinces, in three of which (with the exception of the Crus- 

 tacea and Aracknida belonging to his Annulosa) no cir- 

 culation of blood is visible, but which obtains in the rest. 

 These he names — 



1. Acrita, consisting of the Infusory Animals, the 

 Polypi, the Corallines, the Tcsnice, and the least organized 

 of the Intestinal Worms. 



2. Radiata, including the Jelly-jish, Starfish, Echini, 

 and some others. 



3. Annulosa, consisting of Insect a, Arachnida, and 

 Crustacea. 



4. Vertebrata, consisting of Beasts, Birds, Reptiles, 

 Amphibia, and Fishes. 



5. Mollusca, including the numerous tribes of shell- 

 fish, land-shells, slugs, &c, which, from their mucous or 



gelatinous substance, from their nervous system and the 

 imperfection of their senses, return again to the Acrita, 



