EXPERIMENT STATION RECORD. 



''.; Editor: E. W. ALLEN, Pii. D., Assistant Director. 



Assistant Editor: IL L. Knight. 



KDITOUIAL DEPARTMENTS. 



Meteorology, Soils, and Ft-rtiliztrs — W. IE Beal. 



Agricultural Botany and Vegetable Pathology — ^\V. H. Evans, Ph. D. 



Field Crops — J. I. Schulte. 



Horticulture and Forestry — E. J. Glasson. 



Fooils and Human Nutrition — C. F. Langworthy, Ph. D. 



Zootechny, Dairpng, and Agrotechny — E. W. Morse. 



Agricultural Chemistry — W. H. Beal, C. F. Langworthy, and E. W. Mokse. 



Economic Zoology, Entomology, and Veterinary Medicine — W. A. Hooker. 



Rural Engineering — G. A. Griffin. 



Rural Economics — J. B. Morman. 



Agricultural Education — D. J. Crosbi'. 



CONTENTS OF VOL. XXI, NO. 4. 



Page. 



Recent work in agricultural science 301 



Notes 400 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry. 



Annual reports of the progress of chemistry for 1908 301 



(olloid chemistry and some of its technical aspects, Alexander 301 



The relation of colloids to agricultural chemistry, Ehrenberg 301 



Weathering in the light of colloid chemistry, Cornu 301 



Contributions to the knowledge of ph^nt phosphatids 301 



Tables for calculating phosphoric acid from pyrophosphate, Gotschke 302 



Simplification of the determination of hardness in water, Basch 302 



Colorimetric determination of dissolved oxygen in water, Frankforter et al. . . . 302 



The interpretation of a water analy.^is 302 



Quantitative determination of the soot content of air, Or,^i 302 



The determination of the germ content of the air, Kiihl 302 



Accuracy of the determination of nitrogen in soil extracts, Densch 302 



The estimation of some organic plant acids, Jorgensen 302 



Biuret reaction and cold nitric acid test for protein, Vjfti Norman 302 



Determination of ash when proteid preparations lia"\e been added, Feder 303 



Estimation of phosphoric acid in foods, Worner 303 



On the determination of mineral constituent:^ in vegetables, A'uaflart 303 



Honey, Liihrig and Sartori 303 



Judging honey, Liihrig 303 



Concerning the Fiehe reaction, von Raumer 303 



Critical studies of the Fielie react ion, Klassert 303 



Albuminates in natural and artificial honey, Lund 303 



The identification of artihcial honey, Jiigerschmid 304 



Judging the products of bees fed on sugar, Neubauer 304 



Vinegar chemistry with special reference to analysis, Brode and Lange 301 



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