142 BULLETIN 1190, U. S. DEPARTMENT OF AGRICULTURE, 
127. Experiments in swine feeding. By James Withycombe. E. L.Potter, and G. R. Samson. Mar., 1915. 
128. The arsenates of lead. By R. H. Robinson and H. V. Tartar. May, 1915. 
129. The pollination of the pomaceous fruits: II, Fruit-bud development of the apple. By F. C. Brad- 
ford. May, 1915. For Pt. I see Research Bui. 1. 
130. Pruning: Plant physiology as related to pruning. By W. M. Atwood.— The study of fruit buds. By 
E. J. Kraus.— Pruning young trees. By C. I. Lewis.— Pruning the bearing apple and pear tree. 
By V. R. Gardner. — Pruning the bearing prune trees. By V. R. Gardner. May, 1915. 
131. The calcium arsenates. By R. H. Robinson. June, 1918. 
132. Economics of apple orcharding. By C. I. Lewis and H. A. Vickers. June, 1915. 
133. Points on the selection, adjustment, and care of farm machines. By E. M. D. Braeker. Aug., 1915. 
134. A study of variation in apples during the growing season. By W. E. Whitehouse. June, 1916. 
135. Variation of internal structure of apple varieties. By E. J. Kraus. June, 1916. 
136. Vegetable tests on sandy soil at the Umatilla experiment farm. By R. w. Allen. Mar., 1916. 
137. The drainage of "white land" and other wet lands in Oregon. By W. L. Powers.— Open ditches. 
By T. A. H. Teeter. July, 1916. 
138. The pollination of the pomaceous fruits: III, Gross vascular anatomy of the apple. By E. J. Kraus 
and G. S. Ralston. May, 1916. 
139. Pruning investigations: The early summer pruning of young apple trees. By V. R. Gardner.— The 
influence of summer pruning on bud development in the apple. By J. R. Magness.— A statistical 
study of the fruit-spur system of certain apple trees. By A. F. Yeager. Aug., 1916. 
140. A prehminary report of cooperative irrigation investigations in Oregon on the economical use of irri- 
gation water. By W. L. Powers.— Relation of proper irrigation to bacterial count. By T. D. 
Beckwith. Jan., 1917. 
141. Report of the Hood River branch experiment station for 1916. Feb., 1917. 
142. The culture of small fruits on irrigated sandy land. By R. W. Allen. Mar., 1917. 
143. New facts regarding the period of ascopore discharge "of the apple scab fungus. By Leroy Chads. 
May, 1917. 
144. Dry farming investigations at the Sherman County branch experiment station. By D. E. Stephens 
and C.E.Hill. Apr., 1917. 
145. The evaporation of primes. By C. I. Lewis, F. R. Brown, and A. F. Barss. July, 1917. 
146. Pruning investigations, second report: Studies in fruit-bud formation. By J. R. Magness.— The rela- 
tion between angle, length, and diameter of shoots and the development of side shoots and fruit 
spurs from lateral buds. By A. F. Edminster.— The influence of bending dormant shoots upon 
their subsequent behavior; the winter heading back and thinning out of anpie shoots in young 
trees. By V. R. Gardner. Oct., 1917. 
14". Bark beetles infesting the Douglas fir. By W. J. Chamberlin. Jan.. 1918. 
148. The life history and control of the rose leaf hopper (Empoa rosae): An apple pest. By LerovChilds. 
Feb., 1918. 
149. Vegetation and reproduction with special reference to the tomato (Lycopcrsicum esculentum Mill.). 
By E. J. Kraus and H. R. Kraybill. Jan., 1918. 
150. Dry farming investigations at the 'Harney branch station, Burns, Oregon. By L. R. Breithaupt. 
Feb., 1918. 
151. A chemical examination of the loganberry. By M. R. Daughters. Apr., 1918. ■ 
152. The western newt or water dog (NotophUmlmus torosus): A natural ehemv of mosquitoes. By A. C. 
Chandler. June, i918. 
153. The life history and control of the pocket gopher in the Willamette Vallev. BvH.M. Wight. June, 
1918. 
154. Preliminary report of pear harvesting and storage investigations in Rogue River \ alley. By C. I. 
Lewis, J . R. Magness, and C. C. Cate. June, 1918. 
155. The use of pepsin as a rennet substitute in cheddar cheesemaking. By P. S. Lucas. June, 1918. 
156. The part of milk contests in improving the milk supply of Portland, Oregon. By E. C. Callaway and 
P. S. Lucas. Dec., 1918. 
157. Preliminary report on the improvement of marsh lands in western Oregon. Bv W. L. Powers. Jan., 
1919. 
158. Pollination of tomatoes. By A. G. B. Bouquet. Mar., 1919. 
159. Fertilizer tests for strawberries: Summary of results of experiments extending over three years on 
red-shot Parkdaleloam. By G. G. Brown. Mar., 1919. 
160. The small irrigation pumping plant. By W. L. Powers and W. J. Gilmore. July, 1919. 
161. Duty of wa'tef in irrigation. By W. L. Powers. Jan.. 1920. 
162. Pear harvesting and storage investigations in the Rogue River Vallev (second report). By C. I. 
Lewis, A. E. Murneck, and C. C. Cate. Julv, 1919. 
163. Sulfur as a fertilizer for alfalfa in southern Oregon. By R. C. Reimer and H. V. Tartar. Julv, 1919. 
164. The soils of Jackson County. By H. V. Tartar and F * C. Reimer. Tan., 1920. 
165. Finishing pigs for market. By E. J. Fjeldsted and E. L. Potter. Oct., 1919. 
166. Fertilizers for Oregon orchards: Introduction. Bv C. I. Lewis.— Nitrogen fertilizers for fruit trees 
in the Ro?ue River Valley. By F. C. Reimer.— Recent experiments with nitrate of soda in 
bearing orchards in Hood River Valley. By G. G. Brown. Feb., 1920. 
167. The improvement and irrigation requirement of wild meadow and tule land. By W. L. Powers and 
W.W.Johnston. Jan., 1920. 
168. Survey of typical Oregon farmers' creameries. By Eric England. Feb., 1920. 
169. Insecticide investigations. By A. L. Lovett. Apr., 1920. 
170. The gray garden slug (AgrioUmax agrestis Linn.), with notes on allied forms. By A. L. Lovett and 
A. B. Black. June, 1920. 
171. Spray gun versus rod and dust in apple orchard pest control. By Leroy Childs. July. 1920. 
172. The western pine bark-beetle (Dendroctonus brevicomis Lee.), a serious pest of western yellow pine in 
Oregon. By W. J. Chamberlin. June, 1920. 
173. Irrigation of potatoes. Bv W. L. Powers and W. W. Johnston. Aug., 1920. 
174. Fattening steers. Bv E. L. Potter and Robert Withvcombe. Au?., 1920. 
175. Fattening lambs: Shelter versus open lot. By Robert Withycombe and E. L. Potter. Sept., 1920. 
RESEARCH BULLETINS. 
1. The pollination of the pomaceous fruits: I. Gross morphologv of the apple. By E. J. Kraus. Apr., 
1913. See also Buls. 129 and 138. 
2. An investigation of lime-sulfur injury; its causes and prevention. By V. I. Safre. July, 1913. 
3. A report of chemical investigations on the lime-sulfur spray. By H. V. Tartar. Mar., 1914 . 
Note.— Series discontinued with No. 3. 
