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931. Insects. Orchard insects of Pacific Northwest and their control; [by] E. J. Newcomer.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Agricultural Research Administration, and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: [Aug. 1933, slightly revised July 1942.] [1942.]
SuDoc number:: A 1.4/2:270/4

932. Spraying. Equipment available for applying concentrated sprays: by S. F. Potts.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Agricultural Research Administration, and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: July 1942
SuDoc number:: A 77.312:E-574

933. Spraying. Wheelbarrow assembly for applying concentrated sprays to experimental plots; by S. F. Potts.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Agricultural Research Administration, and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: July 1942
SuDoc number:: A 77.313:198

934. Tobacco flea beetles. Recovery cage to determine numbers of flea beetles emerging from soil surrounding host plants; by J. U. Gilmore and Clemence Levin.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Agricultural Research Administration, and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: July 1942
SuDoc number:: A 77.313:197

935. Insects. More important insect records, May 1942.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Agricultural Research Administration, and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: June 8, 1942
SuDoc number:: A 77.310/2:942/1

936. Aphid trap; by W. A. Shands, G. W. Simpson and F. H. Lathrop.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Agricultural Research Administration, and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: June 1942
SuDoc number:: A 77.313:196

937. Cotton. Control of cotton insects; prepared by Division of Cotton Insect Investigations.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Animal Industry Bureau, and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: June 1942
SuDoc number:: A 77.312:E-569

938. Goat lice. Sulfur dips for control of goat lice; by O. G. Babcock.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Agriculture Department, and Agricultural Research Administration
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Sept. 1936, revised June 1942. [1942.]
SuDoc number:: A 77.312:E-394

939. Insecticides. Toxicity of natural bitter substances, quassin, tenulin, helenalin, and picrotoxin, and some of their derivatives, to certain insects [with list of literature cited]; by E. R. McGovran, E. L. Mayer, and E. P. Clark.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Agriculture Department, and Agricultural Research Administration
Publisher:: Entomology and Plant Quarantine Bureau
Date:: June 1942
SuDoc number:: A 77.312:E-572

940. Insects. Insects in relation to national defense: Meat and animal product insects [with list of references].

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau, Agriculture Department, and Agricultural Research Administration
Publisher:: Entomology and Plant Quarantine Bureau
Date:: June 1942
SuDoc number:: A 77.316:5

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