EXPERIMENT STATION RECORD. 



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

 Assistant Editor: 11. L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Chemistry and Agrotechny— L. W. Fetzer, Ph. D., M. D. 



Meteorology, Soils, and Fertilizers/S'' w" m^^^' 



IR. W. Trullinger. 



Agricultural Botany, Bacteriology, and Plant PathologAr/J^- J- Evans, Ph. D. 

 ^. , , ^ ^^ I W. E. Boyd. 



Field Crops— G. M. Tucker, Ph. D. 

 Horticulture and Forestry — E. J. Glasson. 



rC. F. Langworthy, Ph. D., D. Sc. LIBI^ART 



Foods and Human Nutrition<H. L. Lang. ^.„ 



[C. F. Walton, Jr. NEW YOk'» 



Zootechny, Dairying, and Dairy Farming — H. Webster. BOTANIC^ ( 



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



Veterinary MedicinefW- A. HC.OK.K. • «*•<"-. 



Rural Engineering — R. W. Trullinger. 

 Rural Economics — E. Mekritt. 

 Agricultural Education — C. H. Lane. 

 Indexes — ^M. D. Moore. 



CONTENTS OF VOL. XXXIII, NO. 4. 



Editorial notes: rage. 

 The Berkeley convention of the Association of American Agricultm-al Col- 

 leges and Experiment Stations 301 



The preparation of men for teaching and research in apiculture 303 



The effective correlation of station and extension work 306 



Some other problems before the association 307 



Recent work in agricultural science ". 310 



Notes 399 



SUBJECT LIST OF ABSTRACTS. 



AGRICULTURAL CHEMISTRY — AGROTECHNY. 



Handbook of biochemical methods, edited by Adberhalden 310 



The proteid substances of barley, Schjerning 310 



The carbohydrates of vegetables, — IV. Carbohydrates of Savoy cabbage, Busolt. 310 



Influence of temperature and time on reducing sugar of potatoes, Baudi-exel. . 310 



Evidence of the occurrence of a hexose sugar in normal milk, Jones 311 



Goss5T)ol: A toxic substance in cotton seed, Withers and Carruth 311 



The chemical nature of catalase, Waentig and Gierisch 311 



Tests on catala,se solutions with proteolytic and peptolytic ferments, Winkler. . 311 



On vicine, Levene ; 311 



A starch-forming enzym from malt: Its action and application, Davis 312 



The action of micro-organisms on betain, Ehiiich and Lange - 312 



Simplification of the determination of total nitrogen by colorimetry, Gulick. . . 312 



The estimation of ammonia by the boric-acid method, Winkler 312 



Remarks on Winkler's work on the estimation of ammonia, Bernard 313 



SolubiUty of mineral phosphates in citric acid, Robertson 313 



I 



