EXPERIMENT STATION RECORD. 



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

 Assistant Editor: H. L. Knight. 



EDITORIAL DEPARTMENTS. 



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



Meteorology, Soils, and FertiUzersj^; ^^; ^J^lunger. 



Agricultural Botany, Bacteriology, and Plant Pathology -j-^y' ^' g^yo ' 



Field Crops— G. M. Tucker, Ph. D. 

 Horticulture and Forestry — E. J. Glasson. 



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

 Foods and Human Nutrition] H. L. Lang. 



IC. F. Walton. 

 Zootechny, Dairying, and Diiiry Farming — H. Webster. 

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



Veterinary MedicinejJJ •^^; ^et^zeI^' LIBRARY 



Rural Engineering — R. W. Trullinger. NEW VOJ<it 



Rural Economics — E. Merritt. ki>t*v.i 



Agricultural Education— C. H. Lane. »v« AMCAL 



Indexes— M. D. Moore. ^AKi)jfci«. 



CONTENTS OF VOL. XXXII, NO. 9. 



Page. 



Recent work in agricultural science 801 



Notes , 900 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — AGROTECHNY. 



Yearbook of chemistry, edited by Meyer 801 



The hydrogen ion concentration, Michaelis 801 



The glycerids of fats and oils, IV-VIII, Bomer et al 801 



Linseed mucilage, Neville 802 



The amount of water-soluble carbohydrates in flaxseed, Van Kampen 802 



Studies on enzym action, XII, Falk and Sugiura 803 



The thermoregeneration of sucrase, Bertrand and Rosenblatt 803 



Relationship between the protein substances of yeast and sucrase, Thomas 803 



Soy bean urease. — Effect of dilution, acids, alkalis, and alcohol, Marshall, Jr. 803 



The mode of action of urease. Van Slyko, Zacharias, and Cullen 804 



Preparation of "neutral" ammoniumcitrate, Eastman and Hildebrand 804 



Cause of en-or in precipitation of ammonium-magnesium phosphate, Quartaroli. 804 



Determination of phosphorus in fertiUzers and feeds, Dusserro and Chavan 805 



The estimation of phosphates in soil extracts, Prescott 805 



Determination of carbon in soils and soil extracts, Ames and Gaither 805 



Improvement in electrical method of determining salt in soil. Beam and Freak. . 806 



A modified Kjeldahl flask for determining soil nitrogen, Noyes 807 



Methods for the examination of water, Emnurling 807 



Hypotlietical combinations in water anal>si.s, Dole 807 



Methods of estimating carbohydrates. — 11, Starch, DaA-is and Daish 807 



The chlorin number a new constant for fat, Zlataroff 808 



I 



