EXPERIMENT STATION RECORD. 



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

 Assistant Editor: H. L. Knight. 



EDITORIAL DEPARTMENTS. 



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



Meteorology, Soils, and Fertilizers |S^- i^- ^^^^• 



""^ I.R. W. Tbiixlinger. 



Agricultural Botany, Bacteriology, Plant Pathology {3^' ^' g^^^®' ^^' ^' 



Field Crm-si'^- ^- SCHUXTE. 



J^leld ^ioi3S|(. ^j Tucker, Ph. D. 



Horticulture and Forestry — E. J. Glasson. 



Foods and Human Nutrition |g ^- Langwokthy, Ph. D., D. Sc. 



{a. L. Lang. 

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

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



Veterinary Medicine {J^;^; ^^^f^^ LIBRARY 



Rural Engineering— R. W. Tbullinger. NEW YOR*^ 



Rural Economics — E. Merritt. BOTANICAL 



Agricultural Education — C. H. Lane. ,>cim 



Indexes— M. D. Moore. UAKUtiW. 



CONTENTS OF VOL. XXXI, NO. 8. 



Editorial notes: _ Page. 



Plant physiology in agricultm-al courses 701 



Study of the life of the plant in field experiments 704 



Recent work in agricultm-al science 707 



Notes : 795 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — agrotechny. 



A contribution to the chemistry- of phytin, Anderson 707 



The glycero triphosphoric acid of Contardi, CaiTe 709 



Preparation and properties of caseinates of magnesium, Van Slyke and Winter. 709 



Why sodium citrate prevents curdling by rennin, Bosworth and Van Slyke.. 710 



The action of amino acids and castor bean lipase on esters, Hamlin 710 



Extraction experiments with the castor bean lipase, Falk 711 



The action of monochromatic ultraviolet rays upon amylase, Chauchard 711 



Influence of salicylic acid on amylolytic action of extracts of malt, Heusch. . . 711 



About the biolytic cleavage of gluten, Sadikova 711 



Measurement of tryptic protein hydrolysis, Auld and Mosscrop 711 



Accuracy of estimation of Z-tjrrosin in proteins,, Abderhalden and Fuche ...... 712 



Formol-titrametric investigations with proteins, II, Obermayer and Willheim. 713 



Detection of saponin, Rosen thaler and SchelUiaas 713 



The determination of the acetyl number [of oils, fats, etc.], Holland 713 



Estimation of citric acid in presence of certain other acids, Gowing-Scopes . ... 714 



I 



