EXPERIMENT STATION RECORD. 



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

 Assistant Editor : H. L. Knight. 



EDITORIAL DEPAKTMENTS. 



Agricultural Chemistry and Agrotechny — E. H. Nollau. 



Meteorology, Soils, and Fertilizers-f}^-,??- ^^^^• 



\R. W. Teullingee. 



Agricultural Botany, Bacteriology, and Plant Pathology j^' ^- ^^^^s, Ph. D. 



Field Crops — J. I. Schulte. 



Horticulture and Forestry — E. .T. Glasson. 



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



[C. F. Langworthy, Ph. D., D. Sc. 

 Foods and Human Nutrition I H. L. Lang. 



IC F. Walton, Jr. 

 Zootechny, Dairying, and Dairy Farming — H. Websteb. 



Veter.nar.v U.ncU.{li: ^^^- ^"^^[ 



Rural Engineering — R. W. Teullingee, 



Rural Economics — E. Meeeitt. ftOTAf<» 



Agricultural Education — C. H. Lane. OARI^' 



Indexes — M. D. Mooee. 



CONTENTS OF VOL. 35, NO. 5. 



Editorial notes: Page. 



Seventh Graduate School of Agriculture 401 



Recent work in agricultural science 412 



Notes 500 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — agrotechny. 



Biochemical changes in cotton seed in storage, Rather 412 



Note on American charlock oil, Bailey and Burnett 412 



Ceanothus vdutinus as a source of wax and tannin, Scalione and Blakemore. . . 413 



Cyanogenesis in plants. Studies on Tridensflavus, Viehoever et al 413 



Separation of hydrocyanic acid from plant tissues, Alsberg and Black 413 



The distribution of maltase in plants, I, Davis 413 



The distribution of maltase in plants, II, Daish 414 



The distribution of maltase in plants, III, Daish 414 



Observations on beet and potato tyrosinase, Gonnermann 414 



The enzyms of cacao. Brill 414 



Standard methods of sampling and analysis and standard samples, Hillebrand. 415 



A diagram for calibration to a standard temperature of 20° C, Deming 415 



Ammonium-magnesium phosphate as form to weigh phosphoric acid, Jones 415 



Estimation of carbonates in soil, Schollenberger 415 



A comparison of the permanganate methods for oxygen, Sachs 415 



The estimation of arginin by decomposition with alkali, Plimmer 415 



The recovery of copper sulphate in using Fehling's solution, Krumhaar 416 



The estimation of reducing sugars by Kendall's solution, Wilson and Atkins. . . 416 



The analysis of maple products, VIII, Snell and Van Zoeren 416 



I 



