PUBLICATIONS OF THE UNITED STATES DEPARTMENT OF AGRICULTURE 
RELATING TO FATS AND OILS. 
PUBLICATIONS FOR FREE DISTRIBUTION. 
Soy Beans: Utilization for Oil, Cake, and other Products. (Department Bulletin 439.) 
Possibility of Commercial Production of Lemon-grass Oil in United States. (Depart- 
ment Bulletin 442.) 
Effects of Cultural and Climatic Conditions on Yield and Quality of Peppermint Oil. 
(Department Bulletin 454.) 
Studies of the Digestibility of Some Nut Oils. (Department Bulletin 630.) 
Influence of the Linseed Oil of the Geographical Source and Variety of Flax. (Depart- 
ment Bulletin 655.) 
Digestibility of Some Seed Oils. (Department Bulletin 687.) 
The Production and Conservation of Fats and Oils in the United States. (Department 
Bulletin 769.) 
Peanut Oil. (Farmers' Bulletin 751.) 
Studies on Chicken Fat: 3, Influence of Temperature on Lipolysis of Esters; 4, Hydro- 
lysis of Chicken Fat by Means of Lipase; 5, Occurrence of Catalase, Oxidases, and 
Reductases in Fat of Common Fowl, Gallus Domesticus. (Bureau of Chemistry 
Circular 103.) 
Detection of Phytosterol in Mixtures of Animal and Vegetable Fats. (Bureau of 
Animal Industry Circular 212.) 
Some American Vegetable Food Oils, Their Sources and Methods of Production. 
(Separate 691, from Year Book, 1916.) 
The Soy-Bean Industry in the United States. (Separate 740, from Yearbook, 1917.) 
The Peanut, a Great American Food. (Separate 746, from Yearbook, 1917.) 
Present Status of the Peanut Industry. (Separate 748, from Yearbook, 1917.) 
PUBLICATIONS FOR SALE BY THE SUPERINTENDENT OF DOCUMENTS, GOVERNMENT 
PRINTING OFFICE, WASHINGTON, D. C. 
Digestibility of Some Animal Fats. (Department Bulletin 310.) Price 5 cents. 
Production of Sweet-Orange Oil, and New Machine for Peeling Citrus Fruits. (De- 
partment Bulletin 399.) Price 5 cents. 
Fats and Their Economical Use in the Home. (Department Bulletin 469.) Price 
5 cents. • • 
Digestibility of Some Vegetable Fats. (Department Bulletin 505.) Price 5 cents. 
Studies on Digestibility of Some Animal Fats. (Department Bulletin 507.) Price 
5 cents. 
Olive Oil and Its Substitutes. (Bureau of Chemistry Bulletin 77.) Price 10 cents. 
Improvement of Knorr Fat Extraction Apparatus. (Bureau of Chemistry Circular 69.) 
Price 5 cents. 
Studies on Chicken Fat: 1, Occurrence and Permanence of Lipase in Fat of Common 
Fowl. 2, Oxidation of Chicken Fat by Means of Hydrogen Peroxid. (Bureau of 
Chemistry Circular 75.) Price 5 cents. 
Modification of Herzfeld-Bohme Method, for Detection of Mineral Oil in Other Oils. 
(Bureau of Chemistry Circular 85.) Price 5 cents. 
Chemical Investigation of American Spearmint Oil. (Bureau of Chemistry Circular 
92.) Price 5 cents. 
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