STOEMONTFIELD EXPERIMENT. 97 



by the hand, like the scales of the grilse, and 

 the tail was not so forked. 



ON THE ADVANTAGES OF THE AETIFICIAL PROPA- 

 GATION AND BEARING OF THE FEY OF SALMON 

 UNTIL THEY KEACH THE MIGEATOEY PEEIOD. 



Some naturalists, when they have discovered a 

 new species of fish, are quite satisfied after they 

 have arranged and classified it according to some 

 well-known system, or perhaps a new one invented 

 by themselves. They give the creature their own 

 name, with a Latin or Greek termination, and 

 hand it over to the public. But how much is 

 learned of the history of a fish by an anatomical 

 knowledge of its structure may be seen by the 

 little that is yet known of the true history of the 

 herring (clupea harengus), or what is yet to be 

 learned of the history of the salmon. Prying into 

 details, and searching out the habits of some well- 

 known individual of the piscatory family, may 

 appear dry work to the ardent naturalist; but the 

 labour in the end would be more useful in an 

 economical point of view. From the discoveries 

 which have been made with regard to what are 

 the real enemies of the young salmon in its na- 



