53 STAT.] 76TH CONG. , 1ST SESS.-CH. 253-JUNE 30, 1939 certain migratory birds, for the enforcement of the Migratory Bird Treaty Act and regulations thereunder, and for other purposes", approved March 16, 1934, as amended by an Act entitled "An Act to amend the Migratory Bird Hunting Stamp Act of March 16, 1934, and certain other Acts relating to game and other wildlife, admin- istered by the Department of Agriculture, and for other purposes", approved June 15, 1935 (16 U. S. C . 718-718h), an amount equal to the sum received during the fiscal year 1940 from the proceeds from the sale of stamps, to be warranted monthly; and in addition thereto an amount equal to the unobligated balance on June 30, 1939, of the total of the proceeds received from the sale of stamps prior to July 1, 1939: Provided, That the sum of $125,000 shall be advanced from the general fund of the Treasury on the first day of the fiscal year to the foregoing appropriation, to be returned to the surplus fund of the Treasury when the first $125,000 of revenue from the sale of stamps has been received and warranted for the fiscal year 1940. FEDERAL AID IN WILDLIFE RESTORATION For carrying out the provisions of the Act entitled "An Act to provide that the United States shall aid the States in wildlife resto- ration projects, and for other purposes", approved September 2, 1937 (16 U. S. C . 669-669j), $1,500,000: Provided, That expenditures hereunder shall not exceed the aggregate receipts covered into the Treasury under the provisions of said Act. Total, Bureau of Biological Survey, $4,053,691, of which amount not to exceed $681,610 may be expended for personal services in the District of Columbia, and not to exceed $72,100 shall be available for the purchase of motor-propelled passenger-carrying vehicles nec- essary in the conduct of field work outside the District of Columbia: Provided,That the appropriation of $6,000,000 contained in title VII of the Act of June 15, 1935 (16 U. S . C. 715k-1), shall be available for the maintenance, repair, and operation of motor-propelled pas- senger-carrying vehicles. BUREAU OF PUBLIC ROADS General administrative expenses: For the employment of persons and means, including rent, in the city of Washington and elsewhere for the purpose of conducting research and investigational studies, either independently or in cooperation with State highway depart- ments, or other agencies, including studies of highway administration, legisl.tion, filace, economics, transport, construction, operation, maintenance, utilization, and safety, and of street and highway traffic control; investigations and experiments in the best methods of road making, especially by the use of local materials; and studies of types of mechanical plants and appliances used for road building and main- tenance and of methods of road repair and maintenance suited to the needs of different localities; for maintenance and repairs of experi- mental highways; for furnishing expert advice on these subjects; for collating, reporting, and illustrating the results of same; and for preparing, publishing, and distributing bulletins and reports; to be paid from any moneys available from the administrative funds pro- vided under the Act of July 11, 1916 (39 Stat. 355-359), as amended, or as otherwise provided. 965 48 Stat. 451; 49 Stat.378 . 16U..c.§§718- 718h;Supp.IV,§§718a- 718e. Receipts from stamp sales. Balance available. Proviso. Advance of funds from Treasury; reim- bursement. Federal aid to States. 50 Stat. 917 . 16 U. S. C., Supp. IV, §§ 669-669j. Proviso. Limitation on ex- penditures. Personal services. Vehicles for field work. Proviso. Funds available for maintenance, etc. 49Stat.384. 16 U. S. C., Supp. IV, §715k-1. (eneral administra- tive expenses. Road-makingexperi- ments, etc. 39 Stat. 355; 42 Stat. 212. 23U.S.C.{§1-25; Supp. IV, ch. 1 . FEDERAL-AID HIGHWAY SYSTEM For carrying out the provisions of the Act entitled "An Act to ronstruoctin of provide that the United States shall aid the States in the construction post
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