Property of the 'Jnited States Government 



EXPERIMENT STATION RECORD. 



Editor: E. W. ALLEN, Ph. D., Assistant Director. 



EDITORIAL DEPARTMENTS. 



Meteorology, Soils, and Fertilizers — \V. H. Beal. 



Agricultural Botany and N'egctable Pathology — W. H. Evans, Ph. D. 



Field Crops — J. L Schulte. 



Horticulture and Forestry— C. B. Smith. 



Zootechny and Human Nutrition — C. F. Langworthy, Ph. D. 



Agrotechny, Dairy Fanning, and Dairying — H. W. Lawson. 



Agricultural Chemistry — W. H. Beal, C. F. Langworthy, and H. W. Lawson. 



Economic Zoology, Entomology, and Veterinary Medicine — E. V. Wilcox, Ph. D. 



Rural Engineering — B. P. Fleming. 



Rural Economics — J. B. Morman. 



Agricultural Education — D. J. Crosby. 



CONTENTS OF VOL. XVIII, NO. 2. 



Editorial notes: Page. 



James J. Hill upon the future of American agriculture 101 



Problems for investigation on soil fertility 103 



Recent work in agricultural science 107 



Notes 195 



SUBJECT LIST OF ABSTRACTS. 



agricfltural chemistry. 



Determination of water-soluble and total phosphoric acid, Rohm , 107 



Causes of error in citro-mechanical method in natural phosphates and slags, 



(iuerry and Tous-aint 107 



Separation of silicic acid in determination of citric-acid soluble phosphoric 



acid, Hjusenbaumer 108 



Use of compressed air in analysis of superphosphates, Schliebs 108 



Determination of potash by Neubauer modification of Finkener method, Kling 



and Engels 108 



Determination of potash V>y moans of platinum hydrochlorid, Regel 108 



Few observations on elcnietitary analytical determination of ash, von Konek. 109 



Estimation of carbon in soils and kindred substances, Hall, Miller, and Marmu 109 

 Method of determining hydrogen peroxid and ferrous salts, Mathewson and 



Calvin 109 



Polenske method for detection of cocoanut oil in Vmtter, Rideal and Harrison. 109 



Determination of fat in milk jxnvder and cream cheese, Haupt 110 



Convention of Association of ( Xlicial Agricultural Chemists, 1905 1 10 



CooiH-rative work on fats and oils, Toliuan 110 



Provisional methods for determination of food preservatives 110 



Changes in provisional methods for analysis of foods and additions thereto ... 110 



Changes in othcial methods of analysis and additions thereto, 1899 to 1905 ... 110 



