PROPAGATION AND DISTRIBTJTION OF FOOD FISHES, 1931 633 



States and the Bureau of Fisheries has occurred, though it is not 

 assumed to present a full picture of the existing cooperative relations. 



The bureau's collections of whitefish and lake trout eggs for stocking 

 its hatcheries in Michigan were made in cooperation with the fisheries 

 authorities of that State. In New York cisco eggs for stocking the 

 Cape Vincent hatchery were obtained as a result of joint operations 

 between the bureau and the State. The collection of black-spotted 

 trout eggs in Pyramid Lake, Nev., was conducted conjointly by the 

 bureau and the State authorities, under the protection afforded by 

 the Federal Indian Ser\dce. Large numbers of Atlantic salmon eggs 

 received by the bureau from the Canadian Government in exchange 

 for eggs of other species were turned over to the Maine authorities 

 for the restocking of waters in that State. 



Assistance extended by the North Carolina Department of Conser- 

 vation largely made possible the bureau's work of propagating striped 



Figure 1.— Removing fish from rearing pond in the Upper Mississippi Wild Life Refuge 



bass at Weldon, N. C. In addition to supplying funds for the opera- 

 tion of the Weldon hatchery, the State loaned trucks and the services 

 of its personnel to assist in distributing the fry. The superintendent 

 of the bureau's Mammoth Spring (Ark.) station continued to assist 

 in the operation of the State hatchery at Lonoke, Ark. The South 

 Carolina authorities assisted financially in the bureau's shad work 

 in that State, thus permitting the conduct of work on a much more 

 extensive scale than otherwise would have been possible. Pond fish 

 propagation at the Miles City substation of the bureau in Montana 

 was conducted conjointly ^\dth the Montana Fish and Game Depart- 

 ment. The State also rendered material assistance in distributing 

 the output of tliis station and in other work. As in the past, a close 

 coordination of operating units was maintained between the bureau 

 and the fisheries departments of Oregon and Washington in the 

 conduct of Pacific salmon propagation. In connection with that 

 work many transfers of eggs are necessary to assist in restoring failing 



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