EXPERIMENT STATION RECORD. 



Editor: E. W. ALLEN, Ph. D., Chief, Office of Experiment Stations. 

 Assistant Editor: H. L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Chemistry and Agrotechny — E. H. Nollau. 

 Meteorology, Soils, and FertiUzer8{W- H. |^^J;^^^^^^ 



Agricultural Botany, Bacteriology, and Plant Pathology {^- e'boyd^' ^^' ^' 



Field Crops— G. M. Tucker, Ph. D. 



Horticulture and Forestry — E. J. Glasson. 



Economic Zoology and Entomology — W. A. Hooker, D. V. M. 



fC. F. Langworthy, Ph. D., D. Sc. 

 Foods and Human Nutrition JH. L. Lang. 



[C. F. Walton, Jr. 

 Zootechny, Daii-ying, and Dairy Farming — H. Webster. 

 Veterin.^ Medicine {W. A. HoOKB.. 



Rural Engineering — R. W. Trullinger. 

 Rural Economics — E. Merritt. 

 Agricultural Education — C. H. Lane. 

 Indexes — M. D. Moore. 



CONTENTS OF VOL. XXXIV, NO. 2. 



Editorial notes: Pap:e. 



Experience vs. investigation in agriculture 101 



The basis for agricultural extension and demonstration 104 



Interpretation of experiment station work through extension 109 



Recent work in agricultural science Ill 



Notes 198 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — agrotechny. 



The germ plasm as a stereochemic system, Reichert . Ill 



On the colloidal swelling of wheat gluten, Upson and Calvin Ill 



Studies on enzym action. — XIII, The lipase of soy beans, Falk Ill 



Further applications of the boric acid method for ammonia, Winkler Ill 



Precipitation of phosphorus in presence of sulphuric acid, Falk and Sugiura. . . 112 



A new test for copper, Lyle, Curtman, and Marshall 112 



Effect of grinding soil on reaction by Veitch method. Brown and Johnson 112 



The determination of nitrates in soil. Potter and Snyder 112 



Determining iron and alumina in phosphates, Kochetkov and Kasatkin 112 



The adulteration of preserved beef with horse meat, IssogUo 113 



Bread, Koning and Mooij , jr 113 



Determination of the flour content of bread, Van Meurs 113 



The flour content problem, Scheringa 113 



The determination of fat in ice cream by the Babcock method, Utt 113 



A new microscopic test for pasteurized milk, Frost 113 



Significance of milk sugar for the hygienic judgment of milk, Gabathuler 113 



Manufacture of sucrose from maize, Bohle 113 



I 



