55 STAT.] 77TH CONG. , IST SESS.-CH. 259-JUNE 28, 1941 Fur-resources investigations: For investigations, experiments, dem- onstrations, and cooperation in connection with the production and utilization of animals the pelts of which are used commercially for fur, including the erection of necessary buildings and other struc- tures, $114,400. Biological investigations: For biological investigations, including the relations, habits, geographic distribution, and migration of ani- mals and plants, and the preparation of maps of the life zones, and including $45,738 for investigations of the relations of wild animal life to forests, under section 5 of the Act approved May 22, 1928 (16 U. S . C. 581d), and for investigations of the wildlife resources 4 Stat. 701. of the Territory of Alaska, including the erection of necessary build- ings and other structures, $255,800. Control of predatory animals and injurious rodents: For investi- gations, demonstrations, and cooperation in destroying animals inju- rious to agriculture, horticulture, forestry, animal husbandry, and wild game, as authorized by the Act of March 2, 1931 (7 U. S . C . 46 tat. 1468 . 426-426b); and in protecting stock and other domestic animals through the suppression of rabies and other diseases in predatory wild animals; and for construction, repairs, additions, and installa- tions in and about the grounds and buildings of the game-manage- ment supply depot and laboratory at Pocatello, Idaho, including pPocateloIdal purchase, transportation, and handling of supplies and materials for distribution from said depot to other projects, in accordance with the provisions of the Act approved June 24, 1936 (16 U. S . C. 667), 49 Stat.1913. $949,300. Protection of migratory birds: For all necessary expenses for enforcing the provisions of the Migratory Bird Treaty Act of July 3, 1918, as amended by the Act of June 20, 1936 (16 U. S . C . 703-711), 1 4Stat. 75 5;4 to carry into effect the treaty with Great Britain for the protection of birds migrating between the United States and Canada (39 Stat., pt. 2, 1702), and the convention between the United States and the 50 Stat. 1311. United Mexican States for the protection of migratory birds and game mammals; for cooperation with local authorities in the pro- tection of migratory birds, and for necessary investigations connected therewith; for all necessary expenses for enforcing the Act of June 8, 1940 (54 Stat. 250), entitled "An Act for the protection of the bald 1,6U. 9s. C eagle"; for the enforcement of sections 241, 242, 243, and 244 of the Act approved March 4, 1909, as amended (18 U. S . C . 391-394), and 3s0tat.137;4 for the enforcement of section 1 of the Act approved May 25, 1900 (16 U. S . C . 701), including all necessary investigations in connection 31 Stat 187. therewith, $366,500, of which not to exceed $10,000 may be expended tScuring vi in the discretion of the Secretary of the Interior for the purpose of securing information concerning violations of the laws for the enforcement of which this appropriation is made available. Enforcement of Alaska game law: For the enforcement of the provisions of the Alaska game law, approved January 13, 1925, as11;Stat739. , amended by the Act of February 14, 1931, and by the Act of June 25, 1938 (48 U. S . C . 192-211), including the purchase of aircraft and the erection and equipment of a hangar in Alaska for the Alaska Game Commission, $158,000. Maintenance of mammal and bird reservations: For the main- tenance of the Montana National Bison Range, the Upper Missis- sippi River Wildlife Refuge, the Bear River Migratory Bird Refuge, the Wichita Mountains Wildlife Refuge, and other reservations, and for the maintenance of game introduced into suitable localities on public lands, under supervision of the Fish and Wildlife Service, including construction of fencing, wardens' quarters, shelters for animals, landings, roads, trails, bridges, ditches, telephone lines, rock- work, bulkheads, and other improvements necessary for the econom- ho, de- ory. 9Stat. 6§668- 9 Stat. forma- ations. 6 Stat. 39. 355
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