EXPERIMENT STATION RECORD. 



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

 Assistant Editor : H. L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Clipuiistry and Agroteehny — L. W. Fetzer, Ph. D. 

 Meteorology, Soils, and Fertilizers — W. H. Beal. 



Agricultural Botany, Bacteriology, ^'egetable Pathology j^J- JJ- ^^'^^'^' ^^- ^• 



rr,- , 1 r^ f J- L SCHULTE. 



Field Crops { t r\ r, 



^ \J. O. Rankin. 



Horticulture and Forestry — E. J. Glasson. 



Foods and Human Nutrition — C. F. Lan(;\vorthy, Ph. I). 



Zootechny. Dairying, and Dairy Fanning — E. W. Morse. 



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



Rural Engineering . 



Rural Economics — J. B. Morman. 



Agricultural Education — D. J, Crosby. 



CONTENTS OF VOL. XXII, NO. 6. 



Editorial notes: Page. 



An important discovery 50 1 



Fourth session of the Graduate School of Agriculture 505 



Recent work in agricultural science 508 



Notes 596 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — AGROTECHNY. 



Allen's commercial organic analysis, Leffmann et al : 508 



Chemical-technical analysis, Lunge and Berl 508 



Aids to the analysis of food and drugs, Moor and Partridge 508 



The chemistry of foods and condiments, Konig 508 



Handbook for the manufacture of colors, Zerr and Riibencamp : 509 



The relation of colloid research to agricultural chemistry, Ehrenberg 509 



The present status of colloid chemistry, Lottermooser 509 



Principles and results of plant chemistry, II and III, Euler 509 



The vegetable proteins, Osborne 509 



Peptic digestion of casein and the acidity of its digestion products, Kiittner. . . 509 



A contribution to nitrogen determination, Mitscherlich 510 



Determination of nitrogen in nitrites and nitrates, Schenke 510 



On the determination of potassium by the cobalti-nitrite method. Bowser 510 



Determining phosphoric acid with alkaline molybdate solution and glue, Grete. 510 



Estimation of sulphur in alkali polysulphids, Dusserre and Vuilleumier 511 



Estimation of calcium oxid in presence of dissolved silica, Balthasar 511 



Estimation of calcium carbonate in soils, Marr 511 



A modification of the Kjeldahl method for foods, Corradi 511 



Detection of flour adulteration by the serum diagnostic method, Magnus 512 



The bleaching of flour, Buchwald and Neumann 512 



The bleaching of flour, Rousset 512 



Judging honey by the biological method, Langer 512 



I 



