Birds as a factor in controlling insect depredations
By: by Clarence Cottam and Francis M. Uhler
Contributors: Uhler, F. M (Francis Morey), 1902-1990; U.S. Fish and Wildlife Service
Series: Wildlife leaflet -- BS-162; Wildlife leaflet -- BS-162.
Publisher: U.S. Dept. of the Interior, Fish and Wildlife Service
Published: 1940
Place of publication: Washington, D.C
Language: eng
Subjects: Beneficial birds; Insect pests; Biological control
Notes: Caption title.

"Presented at the technical session of the Fifth North American Wildlife Conference, Washington, D.C., March 20, 1940."

Reproduced from typewritten copy.

"May 1940"