154 American Fisheries Society. 



too soon. We have been inclined to the conclusion that it might be use- 

 less to attempt further work with fishways in the streams in our section 

 of the country where we have the more sluggish fishes — the pike perch 

 and other fishes which do not leap and perhaps would not adapt themselves 

 to the style of fishways that Mr. Cobb may have found successful in his 

 streams. But his work indicates that perhaps we ought to make a more 

 thorough and scientific study of the question here. I have in mind one 

 fishway on the Mississippi River through which the pike perch pass in 

 large numbers ; we have found that by observation — but it is one of the 

 very few I have heard of that pike perch would use. If we can, as he 

 suggests, by studying each individual case more thoroughly, devise a fish- 

 way through which the fish will pass, we shall have done something to 

 meet a very large demand. We have been importuned to require the in- 

 stallation of fishways in dams, but on account of the failure of most fish- 

 ways we have been inclined to discourage any further efforts along that 

 line. 



Mr. N. a. Comeau, Godbout, Quebec: It has been possible for me to 

 build two fishways on Canadian rivers, one on the Sheldrake River, about 

 15 miles from my place, and another on the Matamak or Trout River 

 for Mr. Copley Amory, of New York. Both of these fishways have been a 

 success. Three hours after I put the fishway on the Sheldrake River the 

 fish were ascending. I would be very glad to give you a plan of these 

 fishways. The fall on the Sheldrake River was 24 feet, over a great granite 

 cliff; on the Matamak it was 28 feet. I built the fishway in the solid rock. 



Mr. Charles O. Hayfoed, Hackettstown, N. J. : Maine has a number 

 of successful fishways of various heights, for landlocked salmon and trout. 

 I had charge of one located at the outlet of Rangeley, where many trout and 

 salmon ascended annually. The dam was 12 feet high. My experience 

 with fishways has taught me that currents have a great deal to do with 

 their success, 



Mr. G. C. Leach, Washington, D. C. : It is my opinion that a fishway 

 is of little value except for anadromous fish ; and even then I believe that, 

 having regard to the cost of maintenance of the fishway and interest on 

 the investment, that in a great many cases a man employed to seine the 

 fish from below the dam will put more fish above than any fishway. So 

 far as the more sluggish species are concerned, I think the dam is a pretty 

 good thing in the streams ; it forms them into pools and places which you 

 can stock with fish. In this case I believe you get better results than may 

 be obtained, as a rule, in the ordinary open stream. 



Mr, Dwight Lydell, Comstock Park, Mich.: We have a dam in Mich- 

 igan on the Pine River, known as the Welston dam, that is about 40 feet 

 high; and at this place there is located one of the collecting stations for 

 rainbow trout eggs. On one occasion when I visited the place we opened 

 the upper trap of the dam, where the fish make the final leap into the 

 water above, and we took out of it 50 rainbow trout; so I have always 

 considered that our fishway there was working to perfection. The only 

 thing was that we had to close it in order to get any fish below the dam. 

 This fishway is composed of a lot of large boxes and the fish jump from 



