00754cam a22002411 4500 agr24001008 DLC 20260227110944.0 831213r1923uuuunyua 000 0 eng c agr24001008 (OCoLC)10215100 Library, U.S. Dept. of Agriculture TxHR DLC premarc TP245.A8 A5 Ambruster, Howard Watson, 1878-1961. Arsenic, calcium arsenate and the boll weevil. Articles and addresses by Howard W. Ambruster. New York, Barr-Erhardt Press, 1923. vi, 42 p. diagrs. 23 cm. Reprinted from various periodicals. Arsenic. Boll weevil. Calcium arsenate. 8922 8922