Snodgrass, R. E. 1875-1962. Principles of insect morphology / R.E. Snodgrass. - 1st ed. - New York, London, McGraw-Hill Book Company, inc., 1935. - ix, 667 p. illus., diagr. 24 cm. LCCN: 35013531 Subjects--Topical Terms: Insects--Anatomy.Insetos--Anatomia LC Class. No.: QL494 / .S65 Dewey Class. No.: 595.7