ABTIFICIAL SPAWNING. 



73 



as it might otherwise be. The fish, then, having been caught, 

 it should be seen, before operating, that the spawn is perfectly 

 matured, and that being the case, the salmon should be held in 

 a large tub, weU buried in the water it contains, while the hand 



GUTTERS FOR HATCHING PURPOSES. 



is gently passed along its abdomen, when, if the ova be ripe, the 

 eggs will flow out like so many peas. The eggs must be care- 

 fully roused or washed, and the water should then be poured 

 off. The male salmon may be then handled in a similar way, 

 the contact of the mUt immediately changing the eggs into a 

 brilliant pink colour. After being again washed, the eggs may 

 be ladled out into the breeding-boxes, and safely left to come 

 to maturity in due season. Very great care is necessary in 

 handling the ova. The eggs distributed from Huningue are 

 aU carefully examined on their arrival, when the bad ones are 

 thrown out, and those that are good are counted and entered 

 upon the records of the establishment, which are carefully 



