86 BULLETIN 1199, U. S. DEPARTMENT OF AGRICULTURE. 
158. Winter rations for dairy heifers. By C. H. Eckles. Oct., 1918. 
159. Profits from milk cows on general combelt farms. By O. R. Johnson and R. M. Green. Oct., 1918. 
160. Inspection of commercial fertilizers, 1918. By F. B. Mumford and L. D. Haigh. Jan., 1919. 
161. Combining dormant and first summer spray in apple orchards infested by San Jose' scale By T J 
Talbert. Jan., 1919. 
162. Legumes, Sudan grass, and cereal crops for silage. By C. H. Eckles. Mar., 1919. 
163. Work and progress of the agricultural experiment station for the year July 1, 1917, to June 30, 1918 B v 
F.B. Mumford. May, 1919. 
164. Capacities of silos and weights of silage. By C. H. Eckles, O. E. Reed, and J. B. Fitch. Aug., 1919. 
Published also as Kans. Sta. Bui. 222. 
165. Cost of producing some Missouri farm crops. By O. R. Johnson and R. M. Green. Aug., 1919 
166. Handling farm manure. By F. L. Duley. Sept., 1919. 
167. Renting land in Missouri: Share, share-cash, and cash systems with model forms of lease. Bv R 
Johnson and R. M. Green. Feb., 1920. 
168. Inspection of comercial fertilizers, 1919. By F. B. Mumford and L. D. Haigh. Jan., 1920. 
169. Profitable tomato fertilizers. By J. T.Rosa, jr. Mar., 1920. 
170. Insect pests of field crops. By Leonard Haseman. Apr., 1920. Arevision of Bui. 134. 
171. Agricultural lime. By M. F. Miller and H. H. Krusekopf. June, 1920. A revision of 146. 
172. Work and progress of the agricultural experiment station for the year July 1, 1918, to June 30, 1919. By 
F. B. Mumford, June, 1920. 
173. Ashland community survey: An economic, social, and sanitary survey in Howard County, Missouri. 
By C. C. Taylor and E. W. Lehmann. July, 1920. 
174. Hog cholera and immature corn. By J. W. Connaway. Sept., 1920. 
175. Influence of capital on farm organization: I, In livestock section. By O. K. Johnson and R. M. Green. 
Oct., 1920. 
176. Nursery and orchard insect pests. [By Leonard Haseman]. Oct. , 1920. 
177. An investigation of the dipping and fumigation of nursery stock. ByK.C. Sullivan. Dec. , 1920 
RESEARCH BULLETINS. 
1. An experimental study of the rest period in plants: The winter rest. Firstreport. ByW. L.Howard. 
Apr., 1910. 
2. A study of cause of wide variations in milk production by dairy cows. By C. H. Eckles and O. E. 
Reed. Apr., 1910. 
3. Soils of the Ozark region: A preliminary report on the general character of the soils and the agriculture 
of the Missouri Ozarks. By C. F. Marbut. June, 1910. 
4. Digestion trial with two Jersey cows on full ration and on maintenance. By C. H. Eckles. Oct., 1911. 
5. Maintenance trials with five Jersey cows. By C. H. Eckles. Oct., 1911. 
6. The distribution of farm labor. By O. R. Johnson. Feb., 1913. 
7. Nutrients required for milk production. By C. H. Eckles. Oct., 1913. 
8. The killing of plant tissue by low temperature. By W. H.Chandler. Dec., 1913. 
9. Carotin, the principal natural yellow pigment of milk fat: I, Review of the literature concerning the 
yellowplant and animal pigments. By. L. S. Palmer and C. H. Eckles. Apr., 1914. 
10. Carotin, the principal natural yellow pigment of milk fat: II, Chemical and physiological relations of 
pigments of milk fat to the carotin and xanthophylls of green plants. By L. S. Palmer and C. H. 
Eckles. Apr., 1914. 
11. Carotins, the principal natural yellow pigment of milk fat: HI, The pigments of the body fat, corpus 
luteum and skin secretions of the cow. By L. S. Palmer and C. H. Eckles. Apr., 1914. 
12. Carotin, the principal natural yeUow pigment of milk fat: IV, (A), The yellow pigment of blood serum; 
(B) carotin and xanthophylls during digestion; (C) the pigments of human milk fat. By L. S. 
Palmer and C.H. Eckles. Apr 1914. 
13. Lactochrome, the yellow pigment or milk whey: Its probable identity with urochrome, the specific 
yellow pigment of normal urine. By L. S. Palmer and L. H. Cooledge. Apr., 1914. 
14. Sap studies with horticultural plants. By W. H. Chandler. May, 1914. 
15. An experimental study of the rest period in plants: The summer rest of bulbs and herbaceous peren- 
nials. Second report. By W. L. Howard. Apr., 1915. 
16. An experimental study of the rest period in plants: Pot-grown woodv plants. Third report. By 
W. L, Howard. Apr., 1915. 
17 An experimental study of the rest period in plants: Seeds. Fourth report. By W. L. Howard. 
Apr., 1915. 
18. The maintenance requirement of cattle as influenced by condition, plane of nutrition, age, season, 
time on maintenance, type, and size of animal. By P. F. Trowbridge, C. R. Moulton, and L. D. 
Haigh. June, 1915. 
19. Studies of the timothy plant: I, The influence of maturity upon the yield, composition, digestibility, 
palatability and feeding value of timothy hay. By H. J. Waters. June, 1915. 
20. Studies of timothy plant: II, The changes in the chemical composition of the timothy plant during 
growth and ripening, with a comparative study of the wheat plant. By P. F. Trowbridge, L. D. 
Haigh, and C. R. Moulton. June, 1915. 
21. An experimental study of the rest period in plants: Physiological changes accompanying breaking 
of the rest period. Fifth report. By W. L. Howard. June, 1915. 
22. Silage investigations: Normal temperatures and some factors influencing the quality of silage. Bv 
C. H. Eckles, O. I. Oshel,and D. M. McGruder. Mar., 1916. 
23. The powdery mildews of Avena and Triticum. By G. M. Reed. June, 1916. 
24. Influence of plane of nutrition of the cow upon the composition and properties of milk and butter 
fat: Influence of overfeeding. By C. H. Eckles and L. S. Palmer. May, 1916. 
25. Influence of plane of nutrition of the cow upon the composition and properties of milk and butter id: 
Influence of underfeeding. By C. H. Eckles and L. S. Palmer. Nov., 1916. 
26. The nutrients required to develop the bovine fetus. By C. H. Eckles. Nov., 1916. 
27. E fleets of feeding cottonseed products on the composition and properties of butter: Influence of th9 
character of the ration and quantity of cottonseed products. By C. H. Eckles and L. S. Palmer. 
Dec. 1916. 
28. Effect oi limited food supply on the growth of young beef animals. By P. F. Trowbridge, C. R. 
Moulton, and L. D. Haigh. June, 1918. 
29. The tarnished plant bug and its injury to nursery stock {Lygus pratensis Linnaeus). By Leonard 
Haseman. July, 1918. 
30. Composition of the beef animal and energy cost of fattening. By P. F. Trowbridge, C. R. Moulton 
and L. D. Haigh. Jan., 1919. 
31. Some factors influencing the rate of growth and the size of dairy heifers at maturity. By C.H. Eckles 
and W. W. Swett. Aug., 1918. 
