salmon placed in Lake McDonald, after the yolk sac is absorbed or after 

 a short feeding period, leave the lake in large numbers when about three 

 inches in length the following May or June, approximately a year later. 

 The young fish have been fed some with salted salmon, also with fresh 

 Dolly Varden trout. They are usually fed from one to three months, after 

 which they seek their own food. In the spring of the year the young 

 salmon are found around the edges of the lake devouring the remains of 

 the parent fish. For this reason it is believed that when the food becomes 

 scarce in the lake they usually run out into the sea. 



Mr. Robertson refers to planting sockeye eggs in more or less barren 

 lakes and inaccessible waters. About two years ago this was tried at 

 Yes Bay. The eyed eggs were planted in the gravel of the lakes or 

 streams and hatched under natural conditions. If we stock the barren 

 lakes, and the fish can reach the sea, it will mean the protection of the 

 young fish from Dolly Varden trout and other enemies which do not reach 

 such waters. Such plants must be given careful study and the number to 

 be planted must be based upon stream conditions, food and the chances 

 of survival. I believe eyed eggs should be planted within ten days or a 

 week of the hatching period and no attempt made to cover them up if in a 

 flowing stream. If in a lake, 1,000 eggs or so placed on a hatching tray 

 set on coarse gravel and covered would be preferable. 



Db. G. C. Embody, Ithaca, N. Y. : It is generally believed on the Pacific 

 coast, and supported by very good evidence, that the sockeye, together with 

 its near relative the little landlocked red salmon, does not compete with 

 other salmons and trouts for food, their principal food being microscopic 

 crustaceans. I saw a number of stomachs which were in the possession of 

 Dr. Victor Smith at the University of Washington, and in all of these there 

 was a mass of entomostraca. I noticed no other forms whatever. All 

 were microscopic organisms. These fish were adults, while the little red 

 salmon were from 10 to 16 inches long. I also saw some stomachs taken 

 from larger sockeyes which contained entomostraca. As I remember, they 

 were two or three years old. I do not know whether it was due to a 

 preference for that food or scarcity of other natural foods. I think Dr. C. 

 H. Gilbert makes the statement that the gill rakers are a little longer and 

 more closely set than in other salmon. That would indicate they were 

 capable of straining out finer food. Seeing those salmon full of these 

 small crustaceans indicates to me their preference for such food. 



Mb. Abthub Mebbill, Sutton, Mass. : I would like to inquire as to the 

 survival of the young sockeye salmon sent by the Government to Pennsyl- 

 vania and Maryland this spring. They were about four inches long. Last 

 week I learned that some had been caught there with hook and line 10% 

 inches in length. I should like to know whether in the opinion of Mr. 

 Leach they will survive? 



Mr. Leach : The Bureau of Fisheries does not make any attempt to 

 stock eastern waters with sockeye salmon. The fish mentioned by Mr. 

 Merrill were from eggs sent to Central Station, Washington, D. C, for 

 exhibition. It is my opinion that a few may survive and reach maturity, 

 but I doubt if they will reproduce and maintain themselves on the eastern 

 seaboard. It is a different story with the humpback salmon. In the fall 

 of 1916, 4,000,000 eyed eggs were shipped from the Pacific Coast to the 



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