MASSACHUSETTS MICHIGAN 13 
226. Research service to the Massachusetts apple industry, Progress reports : The apple 
situation. L. P. Jefferson and H. W. Yount. — The value for Massachusetts of 
some of the newer varieties of apples. J. K. Shaw. — Diseases of fruit in 
Massachusetts in 1925. William Doran. — Orchard insect pests of 1925. A. I. 
Bourne. — Pruning young apple trees. J. K. Shaw. — Effect of stock on* 
scion. J. S. Bailey. — Progress of nursery tree inspection. J. K. Shaw. — 
The codling moth in Massachusetts ; tests of lime-sulfur solution and some of its 
substitutes against San JosS scale; some results from spraying with scalecide. 
A. I. Bourne. Jan., 1926. 
227. The Connecticut Valley onion industry, progress reports of experimental work : The 
present status of the Connecticut Valley onion industry. L. P. Jefferson*. — 
Fertilizers for Connecticut Valley onions. A. B. Beaumont and O. E. 
Street. — Onion blight or downy mildew. A. V. Osmun. — A study of the- 
life history and control of the onion thrips. A. I. Bourne. Feb., 1926. 
228. An economic study of the Massachusetts apple industry. H. W. Yount and L. P_ 
Jefferson. Mar., 1926. 
229. Soil reaction and black root-rot of tobacco. P. J. Anderson, A. V. Osmun and W. L.. 
Doran. Apr., 1926. 
230. Research service to Massachusetts animal industry : Mineral matter for dairy cows ; 
skim milk powders in the rearing of young calves. J. B. Lindsey and J. G. 
Archibald. — Better feed from permanent pastures. S. B. Haskell. — The utili- 
zation of feeds by horses. J. B. Lindsey and J. G. Archibald. — Improving the 
feeding value of grain hulls and sawdust. J. G. Archibald. Apr., 1926. 
TECHNICAL BULLETINS 
7. Brocdiness in relation to fecundity in the domestic fowl. F. A. Hays and Ruby 
Sanborn. Mar., 1926. 
8. Winter cycle and winter pause in relation to winter and annual egg production. 
F. A. Hays and Ruby Sanborn. July, 1926. 
9. Annual persistency in relation to winter and annual egg production. F. A. Hays 
and Ruby Sanborn. Oct., 1926. 
10. The therapeutic efficiency of avian diphtheria, roup, and bird pox vaccines and 
bacterins. N. J. Pyle. Nov., 1926. 
MICHIGAN AGRICULTURAL EXPERIMENT STATION, EAST LANSING 
SPECIAL BULLETINS 
137. Marketing Michigan potatoes. J. T. Horner. Feb., 1925. 
138. (Rural landscape series no. 1.) Rural highways. C. P. Halligan. Jan., 1925. 
139. (Rural landscape series no. 2.) Tourist camps. C P. Halligan. Jan., 1925. 
140. Spraying calendar. W. C. Dutton, R. H. Pettit, C. W. Bennett, and H. A. Cardinell. 
Jan., 1925. 
141. Profitable pruning of the Concord grape. N. L. Partridge. Jan., 1925. 
142. Grafting in the apple orchard. H. A. Cardinell and F. C. Bradford. Jan., 1925. 
143. Winter pruning the black raspberry. Stanley Johnston. Mar., 1925. 
144. Spraying dewberries for anthracnose. W. C. Dutton. Mar., 1925. 
145. Christmas tree plantations. A. K. Chittenden. Mar., 1925. 
146. Air-cooled storage for apples. R. E. Marshall. Apr., 1925. 
147. Cherry leaf-spot, residual effects and control. W. C. Dutton and H. M. Wells. 
May, 1925. 
148. Some important grape insects. L. G. Gentner. Oct., 1925. 
149. Eighty winters in Michigan orchards. F. C. Bradford and H. A. Cardinell. Feb., 
1926. 
150. Emergency hay and pasture crops. C. R. Megee. Feb., 1926. 
151. Buckwheat in Michigan. C. E. Cormany. Apr., 1926. 
152. Sweet clover. C. R. Megee. Apr., 1926. 
153. Peppermint growing in Michigan. J. R. Duncan. Mar., 1926. 
154. Hardy shrubs for landscape planting in Michigan. C. P. Halligan. May, 1926. 
155. The mint flea-beetle (Longitarsus menthaphagus, Gentner). L. G. Gentner. June, 
1926. 
156. Investigations with strains of beans. E. E. Down and H. M. Brown. June, 1926. 
157. Celery culture in Michigan. J. B. Edmond. June, 1926. Revision of Special 
bulletin 60. 
158. A suggested bacteriological standard for ice cream. F. W. Fabian. Aug., 1926. 
