Screw-worms and other maggots affecting animals
By: F.C. Bishopp, J.D. Mitchell and D.C. Parman
Edition: Revised, January 1922.
Series: Farmers' bulletin / United States Department of Agriculture -- no. 857; Farmers' bulletin (United States. Department of Agriculture) -- no. 857
Publisher: U.S. Dept. of Agriculture
Published: 1922
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Screwworm; Control; Maggots
Notes: Cover title.

"Contribution from the Bureau of Entomology."

Originally issued December, 1919.

Bibliography: p. 20.

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