EXPERIMENT STATION RECORD. 



Editor: E. W. ALLEN, Ph. D., Chief, Office of Experiment Station*, 

 Assistant Editor : H. L. Knight. 



EDITORIAL DEPAETMENTS. 



Agricultural Chemistry and Agrotechny — E. H. Nollatt. 

 Meteorology, Soils, and Fertilizers {j;- H- Be^^^^^ 



Agricultural Botany, Bacteriology, and Plant Pathology/^* g' ^^®' ^^ ^' 



Field Crops — J. I. Schtjlte. 



Horticulture and Forestry — E. J. Glasson. 



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



(C. F. Langwobthy, Ph. D., Sc 

 H. L. Lang. 

 C. F. Walton, Jr. 

 Zootechny, Dairying, and Dairy Farming — H. Websteb. LIP^AR 



veterinary Medicine {^- A. H„^. «W VOI 



Rural Engineering — R. W. Trullingeb. •OTANIC, 



Rural Economics — E. Mebritt. ClA£(U6f 



Agricultural Education — C. H. Lane. 

 Indexes — M. D. Moore. 



CONTENTS OF VOLUME 35, NO. 4. 



Editorial notes: Page. 



The agricultural appropriation act, 1916-17 301 



Recent work in agiieultural science 311 



Notes 397 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — ^AGROTECHNY. 



Practical physiological chemistry, Hawk 311 



Progress made in agricultural chemistry, edited by Dietrich and Mach 311 



Report of the committee on editing methods of analysis 311 



Origin of humin formed by acid hydrolysis of proteins, Gortner and Blish 311 



A useful method for preparation of the vitamin fraction from yeast, Funk 311 



The molecular weights of certain vegetable oils, Backer 312 



Philippine oil-bearing seeds and their properties, Brill and AgcaoiU. . _. 312 



On tlie heating of hay during the curing process, Boekhout and De Vries 312 



[The nature of the coloring matter of sugar cane]. Schneller 312 



Relation of cement dust to citrus vegetation. — Effect of photosynthesis, Young. 313 



Researches on arginase: The action of arginaae on creatm, Clementi 313 



Adsorption of invertase, Kelson and Griffin 313 



The occurrence of urease in higher plants, Beijerinck. . ._ 313 



Device for pump used in exhausting vacuum oven, Plaisance and Moses 313 



A new form of gas burette, Hammermann _. 313 



A simple, efficient, and economic filter, Jodidi and Kellogg 314 



A modification of the Lunge nitrometer, Senften 314 



The quantitative determination of silica, Lenher and Truog. 314 



Determination of copper in copper sulphate, von Wissell and Kuspert 314 



The Crete volumetric method for phosphorus in fertilizers, Incze 314 



I 



