EXPERIMENT STATION RECORD. 



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

 Assistant Editor: H. L. Knight. 



EDITORIAL DEPARTMENTS. 



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

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



Agricultural Botany, Bacteriology, Vegetable Pathology j^y' ^- Lqng^' ^^' ^' 



TT- 1 1 n f J- L SCHULTE. 



Field Crops I j^j^^^^j^ 



Horticulture and Forestry — E. J. Glasson. 



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



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



Economic Zoology and Entomology — W. A. Hooker. 



IT , • AT T • /W. A. Hooker. 



Veterinary MedicineJL. w. Fetzer. 



Rural Engineering . 



Rural Economics — J. B. Morman. 

 Agricultural P]ducation — D. J. Crosby. 



CONTENTS OF VOL. XXIII, NO. 4. 



Paga 



Recent work in agricultural science 301 



Notes 400 



SUBJECT LIST OF ABSTRACTS. 



AGRICULTURAL CHEMISTRY" — AGROTECHNY. 



Contributions to soil analysis, Pettit 301 



Contribution to fertilizer and soil analysis, Mitscherlich et al 302 



A new method for estimating potash in soils, Cavazza. . ._ 302 



Bacteriological methods for available nitrogen in fertilizers, Lipman 302 



A mechanical agitator for phosphate analysis, Frailong 302 



Estimation of phosphorus and magnesium in phosphate precipitates, Brandis. . 303 



Methods for the quantitative estimation of inorganic phosphorus, Forbes et al.. 303 



\ new sensitive reaction for nitric acid and nitrates, Schmidt and Lumpp 303 



.Method for determination of amino nitrogen and its applications. Van Slyke. . . 303 



A new reaction for proteids, Arnold 304 



Hydrolysis of j)rotein, Pfannl 304 



A modification of Fischer's ester method, Pribram 304 



Casein peptones containing phosphorus, Dietrich 304 



Investigations with lecithin and cholesterin, Porges and Neubauer 305 



About carnaubon, Dunham and Jacobson 305 



Fat analysis and fat chemistry for the year 1909, Fahrion 305 



The examination of the volatile acids in edible fats, Poppe 305 



An extraction apparatus, Roberts 305 



The simple carbohydrates and the glucosids, Armstrong 305 



As to the identity of pepsin and chymosin. Van Dam 305 



Reversibility of enzym actions and effect of external factors on enzyms, Kohl. . 306 



I 



