PUBLIC LAWS-CH. 445-JUNE 22, 1946 Buildings and im- provements. Limitation. 49 Stat. 436, 437. 7U..C. 427d; Supp.V, §427d. Post, p. 1082 et seq. 7U.S .C. 427c. Pot, p. 1082 etaeq. 24 Stat. 440. 34 Stat. 63. 43 Stat. 970. 49 Stat. 436. 7U. S. C., Supp. V, § 427d. Post, p. 1082 et seq. 45 Stat. 571. 45 Stat. 1256 . 49 Stat. 1554 . 46 Stat. 1520. appropriations and the applicable appropriations may also be charged their proportionate share of the necessary general expenses of the Center not covered by this appropriation: Provided further, That the several appropriations of the Agricultural Research Administration shall be available for the construction, alteration, and repair of build- ings and improvements: Provided, however, That unless otherwise provided, the cost of constructing any one building (excepting head- houses connecting greenhouses) shall not exceed $5,000, the total amount for construction of buildings costing more than $2,500 each shall be within the limits of the estimates submitted and approved therefor, and the cost of altering any one building during the fiscal year shall not exceed $2,500 or 2 per centum of the cost of the build- mg as certified by the Research Administrator, whichever is greater. SPECIAL RESEARCH FUND, DEPARTMENT OF AGRICULTURE For enabling the Secretary to carry into effect the provisions of an Act entitled "An Act to provide for research into basic laws and prin- ciples relating to agriculture and to provide for the further develop- ment of cooperative agricultural extension work and the more complete endowment and support of land-grant colleges", approved June 29, 1935 (7 U. S . C. 427, 427b, 427c, 427f); for administration of the provisions of section 5 of the said Act, and for special research work, including the planning, programming, coordination, and printing the results of such research, to be conducted by such agencies of the Department as the Secretary may designate or establish, and to which he may make allotments from this fund, including the employment of persons and means in the District of Columbia and elsewhere; $1,193,000, of which amount $723,126 shall be available for the mainte- nance and operation of research laboratories and facilities in the major agricultural regions provided for by section 4 of said Act. OFFICE OF EXPERIMENT STATIONS PAYMENTS TO STATES, HAWAII, ALASKA, AND PUERTO RICO For payments to the States, Hawaii, Alaska, and Puerto Rico to be paid quarterly in advance, to carry into effect the provisions of the following Acts relating to agricultural experiment stations: Hatch, Adams, Purnell Bankhead-Jones, and related Acts: Hatch Act, the Act approved March 2, 1887 (7 U. S . C ., 362, 363, 365, 368, 377-379), $720,000; Adams Act, the Act approved March 16, 1906 (7 U. S. C. 369), $720,000; Purnell Act, the Act approved February 24, 1925 (7 U. S . C . 361, 366, 370, 371, 373-376, 380, 382), $2,880,000; Bankhead-Jones Act, title I of the Act approved June 29, 1935 (7 U. S . C . 427-427g), $2,663,708; Hawaii, the Act approved May 16, 1928 (7 U. S. C. 386-386b), extending the benefits of certain Acts of Congress to the Territory of Hawaii, $90,000; Alaska, the Act approved February 23, 1929 (7 U. S . C . 386c), extending the benefits of the Hatch Act to the Territory of Alaska, $15,000, and the provisions of section 2 of the Act approved June 20. 1936 (7 U. S . C . 369a), extend- ing the benefits of the Adams and Purnell Acts to the Territory of Alaska, $27,500; in all, for Alaska, $42,500; Puerto Rico, the Act approved March 4, 1931, as amended (7 U. S . C. 386d-386f), extend- ing the benefits of certain Acts of Congress to Puerto Rico, $90,000; in all, payments to States, Hawaii, Alaska, and Puerto Rico, $7,206,208. SALARIES AND EXPENSES Administration of grants and coordination of research with States: For salaries and expenses, including not to exceed $162,350 for personal 276 [60 STAT.