12 BUL. 1199 (SUP. 3), TJ. S. DEPT. OF AGRICULTURE 
'324. Studies in milk secretion : XV, Guernsey sires' progeny performance for milk yield, 
butter-fat percentage, and butter-fat. J. W. Gowen. June. 1925. 
325. Apple spraying and dusting experiments, 1918 to 1924. W. J. M'orse and Donald 
Folsom. July, 1925. 
326. The melon aphid (Aphis gossypii Glover). E. M. Patch. Sept., 1925. 
327. Studies in milk secretion : XVI, Progeny performance of Guernsey sires' sons. J. W. 
Gowen. Oct., 1925. 
328. Abstracts of papers not included in bulletins ; finances ; meteorology ; index. Dec, 
1925. 
329. Studies in milk secretion : XVII, Transmitting qualities of Guernsey sires for 
milk yield, butter-fat percentage, and butter-fat. J. W. Gowen. Jan., 1926. 
330. Varieties of ensilage corn for Maine. Karl Sax and I. M. Burgess. Feb., 1926. 
331. Potato degeneration diseases, natural spread and effect upon yield. Donald Folsom, 
E. S. Schultz and Reiner Bonde. Mar., 1926. 
332. Sweet-corn breeding experiments. Karl Sax. May, 1926. 
333. Apple spraying and dusting experiments in 1925. Donald Folsom. July, 1926. 
334. Potato spraying and dusting experiments, 1921 to 1925. Donald Folsom and 
Reiner Bonde. Aug., 1926. 
335. Abstracts of papers not included in bulletins ; finances ; meteorology ; index. 1926. 
MARYLAND AGRICULTURAL EXPERIMENT STATION, COLLEGE PARK 
BULLETINS 
272. The boxwood leaf miner {Monarthropalpus buwi Labou). C. C. Hamilton. Feb., 1925. 
273. The Maryland state egg-laying competition and performance tests, containing rules 
and regulations. R. H. Waite and F. H. Leuschner. Mar., 1925. 
274. A simple and effective system of management for the control of bacillary white 
diarrhea. R. H. Waite. July, 1925. 
275. Cropping tests with tobacco. D. E. Brown and TV. M. Lunn. Aug., 1925. 
276. A study of respiration in potatoes with special reference to storage and transporta- 
tion. W. D. Kimbrough. Sept., 1925. 
277. Soy beans, production, composition, and feeding value. J. E. Metzger, M. G. Holmes 
and Harlow Bierman. Oct., 1925. 
278. The budding and grafting of fruit trees : I, Topworking bearing apple trees. A. L. 
Schrader. — II, Whip and bridge grafting, shield budding, propagation by cut- 
tings and layers. W. E. Whitehouse. Nov., 1925. 
279. The Maryland state egg-laying competition and performance tests, II, containing 
rules and regulations for second annual competition," 1926-1927. R. H. Waite 
and F. H. Leuschner. Mar., 1926'. 
280. Roadside markets in Maryland. S. H. DeVault and G. E. Bouis. Apr., 1926. 
281. Variety tests of field crops at Ridgely. J. E. Metzger and Albert White. May, 1926. 
282. Disastrous effect of mosaic on the McCormick potato. R. A. Jehle. May. 1926. 
2S3. Pectic constituents of peaches and their relation to softening of the fruit. C. O. 
Appleman and C. M. Conrad. July, 1926. 
284. Fruit-rotting sclerotinias : III, Longevity of buried brown-rot mummies. W. X. 
Ezekiel. Oct., 1926. 
285. Agricultural progress in a typical Maryland community. J. E. Metzger. Oct., 1926. 
286. The Concord grape, pruning and chemical studies in relation to the fruiting habits 
of the vine. A. L. Schrader. Nov.. 1926. 
287. Soil management studies, a three year rotation for Western Maryland. Frostburg 
field, Garrett County. A. G. McCall. Nov., 1926. 
288. The salt requirement of tobacco grown in sand cultures. Ho Liu. Nov.. 1926. 
289. The relative value of different carriers of phosphorus. A. G. McCall. Dec. 1926. 
MASSACHUSETTS AGRICULTURAL EXPERIMENT STATION, AMHERST 
BULLETINS 
222. Experiments on the control of apple scab and black rot and spray injury in 1924. 
W. L. Doran. Mar., 1925. 
223. Milk substitutes in the rearing of young calves. J. B. Lindsey and J. G. Archibald. 
Mar., 1925. 
224. The costs of marketing the apple crop of 1923. L. P. Jefferson. Mar.. 1925. 
225. Yellow pickle in greenhouse cucumbers. V. A. Tiedjens. Dec, 1925. 
