FISH IN GENERAL. 99 



rapidity, according to the species. In some this growth 

 continues nearly the whole of their lives, and there are others 

 whose life is of considerable duration. Carps, for example, 

 are said to attain the age of more than a century. 



After this rapid sketch of the organization of the class in 

 general, we proceed to the Baron's distribution of the first 

 order. 



H 2 



