2 FISH HATCHING. 



only been considered to be an art, but I 

 trust you will deem, before I have concluded 

 what I have to say, that it is justly worthy 

 of being promoted to, and to take rank 

 among, the true sciences. 



The study of the natural products of this 

 earth, whether animate or inanimate, has 

 ever been the aim and object not only of the 

 sons of science, but it has also afforded high 

 intellectual profit and amusement to all classes 

 of intelligent observers. 



It has, however, been urged against the 

 study of Natural History that it is not prac- 

 tical, that no actual benefit thereby flows to 

 the public in general. It is, therefore, with 

 the more pleasure that I shall endeavour to 

 show you this evening, by practical demon- 

 stration, that in one respect at least close 



