( Hi ) 



CHAPTEE XVII. 



EXPERIMENT OP M. COSTE IN KEEPING SALMON 

 IN PEESH WATER. 



In a note to the Societe Imperiale d'Acclima- 

 tation of France, dated March 4, 1859, by 

 M. Jules Cloquet, the statement is made that 

 salmon have been found to propagate their 

 species in artificial ponds of fresh water. The 

 details are of so much interest that I have 

 made the following translation for the benefit 

 of English readers: — "I have the honour to 

 make known to the society a discovery which, 

 it appears to me, is destined to exercise a 

 marked influence upon the future progress of 

 pisciculture in our rivers. I refer to the 

 reproduction of salmon in artificial ponds 

 securely enclosed, in which the fish, shut up 

 from the 'time of hatching, have never been 

 able to migrate to the sea. This discovery has 

 been made at Saint Lucufa, near Saint Cloud, 



