01043cam a22002651 4500 agr09001109 DLC 20260227110928.0 940419s1903 dcua f000 0 eng c agr09001109 (OCoLC)30265800 Library, U.S. Dept. of Agriculture CU CU DLC premarc S585 .A1 no. 76 SB951 .H417 Copy 2. 1C42B no.76 Haywood, J. K. (John Kerfoot), 1873-1928. Insecticide studies. I. Pyrethrum powders containing poisonous metals. II. A compilation of analyses of insecticides and fungicides. III. State laws governing the composition and sale of insecticides. By J.K. Haywood ... Washington, Govt. Print. Off., 1903. 63 p. incl. tables. 23 cm. U.S. Dept. of Agriculture. Bureau of Chemistry. Bulletin no. 76 Insecticides. Fungicides. United States. Division of Chemistry. Bulletin ; no. 76. 7656 7656