00839cam a22002651 4500 agr49000450 DLC 20260227111011.0 740222s1949 nyuac b 000 0 eng c agr49000450 (OCoLC)812489 U.S. Dept. of Agr. Libr. OWoC OClW-H OCoLC DLC SB942 .S77 595.7 Steinhaus, Edward Arthur, 1914-1969. Principles of insect pathology. 1st ed. New York, McGraw-Hill Book Co., 1949. xi, 757 p. illus., ports. 24 cm. McGraw-Hill publications in the agricultural sciences "References" at end of most of the chapters. Insects Diseases. Insects Parasites. Insect pests Biological control. 11037 11037