A 



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EXPERIMENT STATION RECORD. 



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

 Aasistant Editor: H. L. Knigut. 



EDITORIAL DEPARTMENTS. 



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

 Meteorology, Soils, and Fertilizers {W- H. ^eal^^^,^^^ 



Agricultural Botany, Bacteriology, Vegetable Pathology {^^^ g' ^l^^^' ^^- ^' 



^. , J ^ JJ. I. SCHULTE. 



Field Crops |q^ ^j Tucker, Ph. D. 



Horticulture and Forestry— E. J. Glasson. 



Foodsand Human Nutrition {g- F. Langwokthy, Ph. D., D. Sc. 



Zootechny, Dairying, and Dairy Farming — H. Webster. LIBKAi^l 



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



Veterinary Medicine {"I'^^l Hook|«- HOTANIC, 



Rural Engineering— R. W. Trullinger. (JAKL)t2r. 



Rural Economics — E. Merritt. 

 Agricultural Education — 0. H. Lane. 

 Indexes — M. D. Moore. 



CONTENTS OF VOL, XXX, NO. 6. 



Page. 



Recent work in agricultural science 601 



Notes 600 



h 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — AGROTECHNY. 



An investigation of phytin, Plimmer and Page 501 



The constitution of the luteins, Serono 501 



Methods for preparation and determination of cholesterol, Hepburn 501 



Synthesis of glucosids from glycerol and glycol, Bourquelot and Bridel 502 



On the nature of the sugars found in the tubers of arrowhead, Miyake 502 



The starch content of cassava roots, De Jong 502 



Chemical nature of the ''tannin masses" in the fruit of the persimmon, Clark. . 502 



The occurrence of barium in tobacco and other plants, McHargue 502 



About a hemagglutinin in the Euphorbia, von Eisler and von Portheim 503 



Enzymatic cleavage of hippuric acid .by mold fungi, Dox and Neidig 603 



Cleavage of pyromucuric acid by mold enzyms, Dox and Neidig 503 



Enzyms of washed zymin and dried yeast: I, Carboxylase, Harden 504 



Did von Wittich antedate Ostwald in the definition of enz}Tn action? Berg. . 504 



Precipitation of enzyms by aluminum hydroxid, Welker and Marshall 504 



Precipitation of colloids by means of aluminum hydroxid, Marshall and Welker. 504 



Direct determination of elementary nitrogen with calcium carbid, Natus 504 



A micro-Kjeldahl apparatus, Morse 505 



An apparatus for the absorption of fumes, Folin and Denis 505 



I 



