PEEFACE. XI 



think so, however, if this science is to become 

 as popular among us and as beneficial to us as 

 it should be. The mere hatching and rearing of 

 small fish appears to me to be but an integral 

 part of Pisciculture; and it will not be denied 

 that considerations as to the best kinds of fish 

 to encourage, and how to encourage them, with 

 the best methods of producing suitable food for 

 them, are necessarily points of as much import- 

 ance as that of bringing them into the world. 



I have now only to add, that since the pub- 

 lication of the First Edition of this work, the 

 practice of fish culture in this country has re- 

 ceived considerable impetus, and many events 

 have taken place which rendered a wide revision 

 of the book necessary; and I have therefore 

 thought fit not only to revise and re-write many 

 of the chapters, but to add others, and to make 

 many additions to the stock of information they 

 originally afibrded. 



Not the least important, perhaps, of these 

 events, is the formation of a public Piscicultural 

 establishment, under the auspices of the Accli- 

 matisation Society of Great Britain, which esta- 



