EXPERIMENT STATION RECORD. 



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

 Associate Editor : H. L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Chemistry and Agrotechny — Sybil L. Smith. 

 Meteorology, Soils, and Fertilizers |j '■p'^ucK^ETT. 



. . ,^ , T> ^ T> * • 1 1 T>i J- T> M 1 fW. H. Evans, Ph. D. 



Agricultural Botany, Bacteriology, and Plant Pathology -^,y -j^ royd 



„. , , ^ f.T. I. SCHULTE. 



Field Crops | j j^ l^j^kett. 



Horticulture and Forestry — E. .1. Glasson. 



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



„ 1 , TT X' i -J-- fO. F. Langworthy, Ph. D., D. Sc. 



Foods and Human >«utrition Jlouise B. Pritchett. 



„ . , T^ . • 1 T^ • T-i • fD. W. May. 



Zootechny, Dairying, and Dairy Farming j^^^ ^ Mooke. 



„ . . T,T 1- • fW. A. Hooker. 



Veterinary Medicine {g^,^^^ j^ g^^^^^ 



Rural Engineering — R. W. Trullinger. 

 Rural Economics — E. Merritt. 

 . . ,, , T-n i.- [F. E. Heald. 

 Agricultural Education j^^^^^^^ ^ Spethmann. 



Indexes — I\I. D. Moore. 



CONTENTS OF VOL. 38, NO. 7. 



Page. 

 Editorial notes: 



A decade of development of the insular experiment stations 601 



Proposed station work in the Virgin Islands 608 



Recent work in agricultural science 611 



Notes 699 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — agrotechny. 



Biochemical catalysts in life and industry. — Proteolytic enzyms, Effront €11 



The effect of potassium bromate upon enzym action, Falk and Winslow 611 



Some new constitutents of milk. — III, A new protein, Osborne and Wakeman. 611 



A study of heat-coagulable and water-soluble protein of cow's milk, Palmer. . . 612 



A study of the dietary essential, water-soluble B, McCollum and Simmonds. . . 612 



Effect of time of digestion on the hydrolysis of casein, McHargue 613 



A foam inhibitor in Van Slyke amino nitrogen method, Mitchell and Eckstein. 613 



Nitrogen content of bacterial cells. — I, Method, Bradley and Nichols 613 



A study of the nonprotein nitrogen of wheat flour, Blish 614 



Qualitative and quantitative method for sugar in urine, Folin and McEllroy. . 614 



The determination of lactose in milk, Folin and Denis 615 



New microscopic method of counting bacteria of milk, Allen 615 



Detection of peanut oil in oils and fats, de Jong 615 



A study of the solubilities of liquids in liquids, Wroth 616 



A special nomon for calculating the purity of sugar solutions, Blake 616 



Determination of water in sugar-factory products, van der Linden et al _ 616 



Solubility of calcium sulphite in water and sugar solutions, van der Linden. . . ' 616 



61347°— 18 1 I 



