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Filtering by: In Series Bulletin (United States. Bureau of Entomology) Decade 1890-1899

Preliminary report on the insect enemies of forests in the Northwest : an account of the results gained from a reconnaissance trip made in the spring and early summer of 1899

Creator:

Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology

Resource Type:

Technical Report

Full Text:

BULLETIN NO. 21, NEW SERIES. U. S. DEPARTMENT OF AGRICULTURE