PUBLICATIONS OF THE UNITED STATES DEPARTMENT OF AGRICULTURE 
RELATING TO INSECTICIDES. 
PUBLICATIONS AVAILABLE FOR FREE DISTRIBUTION. 
Arsenate of Lead as an Insecticide Against Hornworms in Dark Tobacco Districts. 
(Farmers' Bulletin 595.) 
Hydrocyanic- Acid Gas Against Household Insects. (Farmers' Bulletin 699.) 
Carbon Disulphid as an Insecticide. (Farmers' Bulletin 799.) 
Tobacco Hornworm Insecticide. (Farmers' Bulletin 867.) 
Fumigation of Ornamental Greenhouse Plants with Hydrocyanic- Acid Gas. (Farmers' 
Bulletin 856.). 
Information for Fruit Growers About Insecticides, Spraying, Apparatus, and Im- 
portant Insect Pests. (Farmers' Bulletin 908.) 
Spraying for the Control of Insects and Mites Attacking Citrus Trees in Florida. 
(Farmers' Bulletin 933.) 
Commercial Bordeaux Mixtures: How to Calculate Their Value. (Farmers' Bul- 
letin 994.) 
Cactus Solution as an Adhesive in Arsenical Sprays for Insects. (Department Bul- 
letin 160.) 
Quassiin as a Contact Insecticide. (Department Bulletin 165.) 
A Method of Fumigating Seed. (Department Bulletin 186.) 
Chemical Composition of Lime-Sulphur Animal Dips. (Department Bulletin 451.) 
Fumigation of Ornamental Greenhouse Plants with Hydrocyanic-Acid Gas. (De- 
partment Bulletin 513.) 
A Study of the Effect of Storage Heat and Moisture on Pyrethrum. (Department 
Bulletin 771.) 
Spraying for White Flies in Florida. (Bureau of Entomology Circular 173.) 
PUBLICATIONS FOR SALE BY THE SUPERINTENDENT OF DOCUMENTS, GOVERNMENT 
PRINTING OFFICE, WASHINGTON, D. C. 
Important Insecticides, Directions for Preparation and Use. (Farmers' Bulletin 127.) 
Price 5 cents. 
Para-dichlorobenzene as an Insect Fumigant. (Department Bulletin 167.) Price 
5 cents. 
Homemade Lime-Sulphur Concentrate. (Department Bulletin 197.) Price 5 cents. 
Miscellaneous Insecticide Investigations. (Department Bulletin 278.) Price 10 
cents. 
Fumigation for Citrus White Fly, as Adapted to Florida Conditions. (Bureau of 
Entomology Bulletin 76.) Price 15 cents. 
Fumigation Investigations in California. (Bureau of Entomology Bulletin 79.) 
Price 15 cents. 
Fumigation of Citrus Trees. (Bureau of Entomology Bulletin 90, Part 1.) Price 
20 cents. 
Lime-Sulphur as Stomach Poison for Insects. (Bureau of Entomology Bulletin 116, 
Part 4.) Price 5 cents. 
Use of Hydrocyanic-Acid Gas for Fumigating Greenhouses and Cold Frames. (Bu- 
reau of Entomology Circular 37.) Price 5 cents. 
Flour Paste as Control for Red Spiders as Spreader for Contact Insecticides. (Bureau 
of Entomology Circular 166.) Price 5 cents. 
Insecticide Studies, Pyrethrum Powders Containing Poisonous Metals: Compilation 
of Analyses of Insecticides and Fungicides: State Laws Governing Composition 
and Sale of Insecticides. (Bureau of Chemistry Bulletin 76.) Price 5 cents. 
Lime-Sulphur-Salt Wash and Its Substitutes. (Bureau of Chemistry Bulletin 101.) 
Price 5 cents. 
Lead Arsenate: 1, Composition of Lead Arsenate Found on Market; 2, Homemade 
Lead and Chemicals Entering Into Its Manufacture; 3, Action of Lead Arsenate on 
Foliage. (Bureau of Chemistry Bulletin 131.) Price 15 cents. 
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