20 BULLETIN 687, U. S. DEPARTMENT OF AGRICULTURE, 
Studies on the Digestibility of Some Animal Fats. By C. F. Langworthy and 
A. D. Holmes. Pp. 20. 1917. (Department Bulletin 507.) Price, 5 cents. 
Experiments in the Determination of the Digestibility of Millets. By C. F. 
Langworthy and A. D. Holmes. Pp. 11. 1917. (Department Bulletin 525.) 
Price, 5 cents. 
Digestibility of Dasheen. By C. F. Langworthy and A. D. Holmes. Pp. 12. 
1917. (Department Bulletin 612.) Price, 5 cents. 
Studies on the Digestibility of Some Nut Oils. By A. D. Holmes. Pp. 19. 
1918. (Department Bulletin 630.) Price, 5 cents. 
Experiments on the Digestibility of Fish. By A. D. Holmes. Pp. 15. 1918. 
(Department Bulletin 649.) Price, 5 cents. 
WASHINGTON : GOVERNMENT PRINTING OFFICE I 1918 
