b FISH CULTURE. 



receded at the fisheries from 40 cents to 4 cents apiece. 

 Experiment on some of the British rivers have clearly 

 demonstrated that analogous changes can he made, and 

 have heen made, in the production of shad and herring. 



The management of fisheries concerns two great classes 

 — those which live permanently in our waters, and those 

 which visit them periodically. 



Allow me, first, to draw your attention to the nature, 

 habits and breeding waters of the salmon — and that, as a 

 type of the migratory fishes — most of the conditions 

 making one of them possible in our waters being the 

 conditions for them all. 



Almost all the rivers in Vermont present the necessary 

 conditions for the culture of the salmon. It needs pure 

 water, streams of moderate size, having in their course 

 deep pools and clean, fine gravel beds. For it must be 

 remembered that this fish comes to us from the sea simply 

 to deposit; its spawn in localities favorable to the hatching 

 of the eggs and the rearing of the young. When the 

 spawn is deposited, the old fish returns again to the sea, 

 where in the deep waters of the North Atlantic it finds 

 in countless myriads the species upon which it feeds. 

 The whole growth of the fish, except during that of the 

 first year, is at the expense of no- fish-food found in our 

 waters. An hundred thousand salmon in Onion River 

 would consume no appreciable quantity of food, nor would 

 they'diminish in any sensible degree the quantum offish 

 of other varieties inhabiting the stream. A salmon strea'm 

 stocked with trout yields as many trout as if there were 

 no salmon in it. 



To stock a river suitable for salmon with it, it is neces- 

 sary only to hatch the salmon eggs in the stream. The 



