90 BREEDERS. 



many generations to accomplish if the guiding rule be borne in 

 mind that the produce of young fish, even of the best-marked 

 lake-trout, throw back to the original type of fario, and only 

 the produce of the oldest fish transmit the characteristics of 

 variety. 



The foregoing chapters give a general sketch of the work per- 

 formed at the Howietoun trout farm in the various seasons of 

 the year, and the general results already obtained. I will now 

 describe the gradual growth of the fishery year by year, from its 

 inception in 1873 to the present date. 



