A key to the principal orders and families of insects
By: by Z.P. Metcalf ... and C.L. Metcalf.
Contributors: Metcalf, C. L. 1888-1948, joint author.
Edition: Third edition, revised and illustrated.
Publisher: The authors
Published: 1928
Place of publication: [Urbana? Ill.]
Language: eng
Number of pages: 23
Subjects: Insects.
Notes: Bibliography: p. [3]