CONTENTS. 



Page 



Studies on Capacities of Soils for Irrigation Water, and on a New 



Method of Determining Volume Weight. O. W. Israelson. . i 



Some Stoneflies Injurious to Vegetation. E. J. Newcomer 37 



Basal Katabolism of Cattle and Other Species. Henry Prentiss 



Armsby, J. August Fries, and Winfred Waite Braman ... 43 

 Further Notes on the Oriental Peach Moth, Laspeyresia molesta. 



W. B. Wood and E. R. Selkregg 59 



Soil Fungi in Relation to Diseases of the Irish Potato in Southern 



Idaho. O. A. Pratt 73 



Investigations Concerning the Sources and Channels of Infection 



in Hog Cholera. M. Dorset, C N. :\IcBryde, W. B. Niles, 



and J. H. Rietz loi 



Effect of Temperature and Other Meteorological Factors on the 



Growth of Sorghums. H. N. Vinall and H. R. Reed 133 



Overwintering of the House Fly. R. H. Hutchison 149 



Soil Acidity as Influenced by Green Manures. J. W. White. ... 171 



A Leaf blight of Kalmia latifolia. Ella M. A. Enlows 199 



Relation between Biological Activities in the Presence of Various 



Salts and the Concentration of the Soil Solution in Different 



Classes of Soil. C. E. Millar 213 



Bacterial Flora of Roquefort Cheese. Alice C. Evans 225 



A Stud}^ of the Streptococci Concerned in Cheese Ripening. 



Alice C. Evans 235 



Intumescences, with a Note on IMechanical Injury as a Cause of 



Their Development. Frederick A. Wolf 253 



Anthracnose of Lettuce Caused b}' ]\Iarssonina panattoniana. 



E. W. Brandes 261 



The Calcium Arsenates. R. H. Robinson 281 



Stemphylium Leafspot of Cucumbers. George A. Osner 295 



Yellow- Leafblotch of Alfalfa Caused by the Fungus Pyrenopeziza 



medicaginis. Fred Reuel Jones 307 



An Undescribed Canker of Poplars and Willows Caused by Cyto- 



spora chrysosperma. W. H. Long 331 



Chemistry of the Cotton Plant, with Special Reference to Upland 



Cotton. Arno Viehoever, Lewis H. ChERnoff, and Carl O. 



Johns 345 



Stability of Olive Oil. E. B. Holland, J. C. Reed, and J. P. 



Buckley, jr 353 



Some Bacterial Diseases of Lettuce. NelliE A. Brown 367 



Hydration Capacity of Gluten from "Strong" and "Weak" 



Flours. R. A. Gortner and E. H. DohERTy 389 



(HI) 



