LIST OF PUBLICATIONS. 



[Vol. 37 



U. S. Department of Agriculture — Con. 



Bureau of Soils: Page- 



Field Operations, 1915 — 



Soil Survey of New Castle 

 County, Del., T.M.Mor- 

 rison, W. B. Seward, 



andO.I.Snapp 211 



Soil Survey of Richardson 

 County, Nebr., A. H. 

 Meyer, P. H. Stewart, 



and C. W. Watson 211 



Soil Survey of Uamilton 

 County, Ohio, A. L. 

 Goodman, E. R. Allen, 



and S. W. PhilUps 212 



States Relations Service: 



Syllabus 2G, Illustrated Lec- 

 ture on Sweet Potatoes: 

 Culture and Storage, H. M. 



ConoUy 297 



Syllabus 27, Illustrated Lec- 

 ture on the Farm Vegetable 

 Garden, II. C. Thompson 



and n. M. Conolly 297 



Scientific Contributions: ' 



The Preparation of Pure Crys- 

 talline Mannose. C. S. Hud- 

 son and II. L. Sawyer 201 



The Aretvl Derivatives of the 



Sugars.C. S. Hudson 201 



The Phenylhydrazids of Cer- 

 tain Acids of the Sugar 



Group, C. S. Hudson 201 



Reactions of Ions and Jkfole- 

 culos of Acids, Bases, and 

 Salts, W. A. Gruse and S. F. 



Acree 201 



Estimation of Bu1>Tic Acid in 

 Biolot;ical PnKlucts, I. I. K. 

 Pholns and H. E. Palmer.. 206 

 Norinal Fermontaf ion of Sauer- 

 kraut, L. A. Round 208 



Agricultural Po-ssibilitios of 

 Ohio PcAt Soils, A. Dach- 



nowski 212 



The Organic Nitrogen Com- 

 pounds of Soils and Fer- 

 tilizers, E . C . Lat hrop 2 1 G 



New Names in Amvgdalus, 



P. L. Ricker .'. 220 



Effect of Environmental Con- 

 ditions on Tobacco Plants, 



II. A. Allard 224 



Variety Testing. L. C. Corbett. 240 

 Defermining the Qualitv of 

 StandingTimber.S. Berry.. 243 



U. S. Department of Agriculture — Con. 



Scientific Contributions — Con. Page. 



The Biology of Lodgepole Pine 

 as Revealed by the Behavior 

 of Its Seed, C. G. Bates. ... 244 



Further E\'idence as to the 

 Relation Between Crown 

 Gall and Cancer, E. F. 

 Smith 245 



Tlie Nature of the Polyhedral 

 Bodies Found in Insects, 

 R. W. Glaser and J. W. 

 Chapman 253 



Determining Wind Dispersion 

 of the Gipsy Moth and Other 

 Insects, C. W. CoUins 254 



Foreign Insect Pests Collected 

 on Imported Nursery Stock 

 in 1916, E. R. Sasscer 257 



Some Methods of Colonizing 

 Imported Parasites, S. S. 

 Crossman 257 



New Tree Banding Material 

 for Control of Gipsv Moth. 

 A. F. Burgess anci E. L. 

 Griffin 258 



Crambid Moths and Light, 

 G. G. Ainslie 259 



The Alfalfa Wee\il Investiga- 

 tion, G. I. Reeves 262 



The Results of Ajuarv Inspec- 

 tion, E. F. Phillip.s 263 



Report on Isosoma Investiga- 

 tions, W. J. Phillips 263 



BiologN' and the Nation's Food, 



W. J. Spillman 263 



Influence of HeaNy Metals on 

 the I.'jolated Intestine, W. 

 Salant and C. W. Mitchell- . 266 



American Veterinary Medical 

 A.s.s»)ciation. — Report of Com- 

 mit too on Diseases, J. R. 

 Mchler 274 



Suppuration in Cattle and 

 Swine Causo<l by lidrterium 

 pyogenes, A. R. Ward 276 



The Farmer's Part in Irriga- 

 tion Development, S. For- 

 tier 281 



Duty of Water. S. O. Jayne.. 281 



Agriculture and the Farming 

 Business, O. H. Benson and 

 G. H. Betts 290 



The Federal Farm Loan Act, 



C.W.Thompson 291 



> Printed in scientific and technical publications outside the Department. 



