PROPAGATION AND DISTETBUTION OF FOOD FISHES, 19 3 8 471 



other points. Natural conditions favor the production of eggs of 

 certain species of trout at certain hatcheries, and economy requires 

 that these favoring circumstances be taken advantage of. Such 

 shifting of the egg supply is also considered a measure of distribution, 

 since eggs can be shipped for a long distance ([uite economically, 

 whereas the transportation of fish of a stocking size might represent 

 an expenditure of hundreds of dollars. 



