Pisciculture. 



" Joseph Bemy, fisherman, of the Bresse, to 

 M. the Peefect of the Yosges. 



" Sir, — I have the honour to inform you that, 

 in consequence of the numerous experiments 

 which I have made, I have succeeded, after 

 much care and trouble, in hatching an immense 

 quantity of trout eggs, the young of which, 

 healthy and well-formed, will be suitable for 

 re-stocking the rivers. I deem it to be my 

 duty to make known to you the means by 

 which I have arrived at this fortunate result. 

 ... At the season of spawning, in November, 

 when the eggs appear at the vent of the trout, 

 by passing the thumb and pressing gently 

 against the vent of the female without doing 

 her any injury, I cause the eggs to fall into a 

 basin of water; after this I seize the male, 

 and by operating in the same manner cause 

 the milt to flow upon the eggs until they have 

 become opaque. As soon as this operation is 

 completed, and the eggs have become clear, I 

 dispose them between coarse grains of sand in 

 the bottom of an iron box, pierced with a 

 thousand holes. I placed one of these boxes 

 in a spring of fresh water, the other in the 



