78 HOME FISHING AND HOME WATERS. 



trays, the under sides of which are covered with 

 Canton flannel tightly stretched. Each tray is 

 about an inch deep, and filled even full with eggs 

 so they will not shake about. A hundred thousand 

 or more can be carried successfully in a box about 

 eighteen inches square, for a journey of several 

 days' duration ; but when shipped in this way, they 

 should always be in the charge of an experienced 

 man, who will see that they are properly handled, and 

 kept in a moderate temperature. One man could 

 take care of a million or more of eggs packed in this 

 manner. 



CHAPTER XXIV. 



CROSS-BREEDING OF FISH. 



ALL farmers know something of the attempts that 

 have been made at crossing the breeds of stock, poul- 

 try, etc., and the results. The established methods 

 from which the best results have been obtained were 

 discovered by long years of study and actual experi- 

 ment. Hybridizing also extends to fruits, vegeta- 

 bles and flowers. It will undoubtedly be interesting 

 to know what has been done in the cross-breeding 

 of fish and the results. The first experiment I ever 

 tried in crossing the breeds of fish was about the 

 year 1869, when I made successful crosses of the 

 white fish and salmon trout, and striped bass and 

 shad. These attempts were kept sight of only so 

 far as to hatch out the fry, and what kind of a fish 



