College entomology / by E.O. Essig Essig, E. O. (Edward Oliver), 1884- Entomology. QL463 .E7 595.7 23 ESC Map on lining-papers. Includes bibliographical references and index. New York : The Macmillan company, c1942. c1942. 1942 Text vii, 900 p. : eng