IV 
Journal of Agricultural Research 
Vol. V 
Page 
Gossypol, the Toxic Substance in Cottonseed Meal. W. A. With¬ 
ers and F. E. Carruth.. 261 
Two New Hosts for Peridermium pyriforme. George Grant 
Hedgcock and Wieeiam H. Long. 289 
Pathogenicity and Identity of Sclerotinia libertiana and Sclero- 
tinia stnilacina on Ginseng. J. Rosenbaum. ... 291 
An Improved Respiration Calorimeter for Use in Experiments 
with Man. C. F. Langworthy and R. D. Miener. 299 
Occurrence of Manganese in Wheat. Wieeiam P. Headden. 349 
Ash Composition of Upland Rice at Various Stages of Growth. 
P. L. GieE and J. O. Carrero. 357 
Varietal Resistance of Plums to Brown-Rot. W. D. Vaeeeau_ 365 
Frequency of Occurrence of Tumors in the Domestic Fowl. May- 
nie R. Curtis. 397 
Inheritance of Length of Pod in Certain Crosses. John Beeeing. 405 
A Honeycomb Heart-Rot of Oaks Caused by Stereum subpilea- 
tum. Wieeiam H. Long. 421 
Measurement of the Winter Cycle in the Egg Production of Domes¬ 
tic Fowl. Raymond Peare. 429 
Influence of Growth of Cowpeas upon Some Physical, Chemical, 
and Biological Properties of Soil. C. A. LeCeair. 439 
Translocation of Mineral Constituents of Seeds and Tubers of 
Certain Plants During Growth. G. Davis Buckner. 449 
Fate and Effect of Arsenic Applied as a Spray for Weeds. W. T. 
McGeorge. 459 
Angular Leaf-Spot of Cucumbers. Erwin F. Smith and Mary 
Katherine Bryan. 465 
Activity of Soil Protozoa. George P. Koch. 477 
Beriberi and Cottonseed Poisoning in Pigs. George M. Rommee 
and Edward B. Vedder. 489 
Biology of Apanteles militaris. DanieE G. Tower. 495 
Respiration Experiments with Sweet Potatoes. Heinrich Has- 
seebring and Lon A. Hawkins. 509 
Cherry and Hawthorn Sawfly Leaf Miner. P. J. Parrott and 
B. B. Fueton. 519 
Variations in Mineral Composition of Sap, Leaves, and Stems of 
the Wild-Grape Vine and Sugar-Maple Tree. O. M. Shedd_ 529 
Carbohydrate Transformations in Sweet Potatoes. Heinrich 
■ Hasseebring and Lon A. Hawkins.. 543 
Diuresis and Milk Flow. H. Steenbock.. 561 
