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1611. Grasshoppers. Summary of cooperative grasshopper egg survey, fall of 1938.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: [Nov. 18, 1938.]
SuDoc number:: A 56.2:G 76/2

1612. Grasshoppers. Tentative outline of plan of operations for cooperative protection of crops against grasshoppers during 1939.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: [Nov. 18, 1938.]
SuDoc number:: A 56.2:G 76/3

1613. Ants. Texas leaf-cutting ant and its control [with list of literature cited]; by E. V. Walter, Lee Seaton and A. A. Mathewson.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Nov. 1938
SuDoc number:: A 1.4/2:494

1614. Insects. Suggested method for determination of ether-extractives content of small insects; by William C. Cook.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Nov. 1938
SuDoc number:: A 56.11:136

1615. Sweetpotato leaf beetle; by Loyd W. Brannon.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Nov. 1938
SuDoc number:: A 1.4/2:495

1616. Timber. Prevention of insect damage to wind-thrown timber in New England States; by F. C. Craighead.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Nov. 1938
SuDoc number:: A 56.19:E-459

1617. Insects. Legislation in United States for control of insects and other plant pests; by Lee A. Strong.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Oct. 11, 1938
SuDoc number:: A 56.19:E-455

1618. American dog ticks. Combating American dog tick, carrier of Rocky Mountain spotted fever in Central and Eastern States; by P. C. Bishopp and Carroll N. Smith.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Oct. 1938
SuDoc number:: A 56.19:E-454

1619. Derris. References to reviews and popular articles on derris; [by] R. C. Roark.

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: Oct. 1938
SuDoc number:: A 56.19:E-457

1620. Grain. Control of insects attacking grain in farm storage; [by R. T. Cotton].

Corporate/Agency Authors:: Entomology and Plant Quarantine Bureau and Agriculture Department
Publisher:: Entomology and Plant Quarantine Bureau
Date:: [Oct. 1938.]
SuDoc number:: A 1.9:1811

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