PUBLIC LAWS-CH. 281 -JULY 15, 1939 Proiso. Minor auxiliary structures. Salaries. 43 Stat. 175; 44 Stat. 834; 46 Stat. 839. Uniforms, equip- ment, etc. motorcycles, and self-propelled machinery; the purchase, mainte- nance, and repair of equipment and fixtures, and so forth, $409,333: Provided, That not to exceed $10,000 of the amount herein appro- priated may be expended for the erection of minor auxiliary structures. PARK POLICE Salaries: For pay and allowances of the United States Park Police force, in accordance with the Act approved May 27, 1924, as amended, $175,470. For uniforming and equipping the United States Park Police force, including the purchase, issue, operation, maintenance, repair, exchange, and storage of revolvers, bicycles, and motor-propelled passenger-carrying vehicles, uniforms, ammunition, and radio equip- ment and the rental of teletype service, $9,400. NATIONAL CAPITAL PARK AND PLANNING COMMISSION Federal reimaburs For reimbursement to the United States in compliance with section ment for lands ac- quired. 4 of the Act approved May 29, 1930 (46 Stat. 482), as amended, 4 Stat. 45 $500,000. Incidental expenses. For each and every purpose, except the acquisition of land, requisite for and incident to the work of the National Capital Park and Plan- ning Commission as authorized by the Act entitled "An Act pro- viding for a comprehensive development of the park and playground 40 vUs.C . ' 71. system of the National Capital", approved June 6, 1924 (40 U. S. C. 71), as amended, including personal services in the District of Colum- bia, maintenance, operation, and repair of motor-propelled passenger- carrying vehicles, not to exceed $1,000 for printing and binding, not to exceed $500 for traveling expenses and carfare of employees of the Commission, and not to exceed $300 for professional scientific, techni- cal, and reference books, and periodicals, $41,230. NATIONAL ZOOLOGICAL PARK Expenses. Uniforms. Sums appropriated wholly out of special fund. For roads, walks, bridges, water supply, sewerage, and drainage; grading, planting, and otherwise improving the grounds, erecting and repairing buildings and enclosures; care, subsistence, purchase, and transportation of animals; necessary employees traveling and inci- dental expenses not otherwise provided for including not to exceed $2,000 for travel and field expenses in the United States and foreign countries for the procurement of live specimens and for the care, subsistence, and transportation of specimens obtained in the course of such travel; maintenance and operation of one motor-propelled passenger-carrying vehicle required for official purposes; for the pur- chase, issue, operation, maintenance, repair, and exchange of bicycles and non-passenger-carrying motor vehicles, revolvers, and ammuni- tion; not exceeding $2,500 for purchasing and supplying uniforms to Park Police, keepers, and assistant keepers; not exceeding $100 for the purchase of necessary books and periodicals, $237,060, no part of which sum shall be available for architect's fees or compensation. HIGHWAY FUND, GASOLINE TAX AND MOTOR VEHICLE FEES The following sums are appropriated wholly out of the special fund created by the Act entitled "An Act to provide for a tax on motor-vehicle fuels sold within the District of Columbia, and for other purposes", approved April 23, 1924, and the Act entitled "An 1032 [53 STAT.
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