EXPERIMENT STATION RECORD. 



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



EDITORIAL DEPARTMENTS. 



Chemistry, Dairy Farming, and Dairying — The Editor and IL W. Lawson. 

 Meteorology, Fertilizers and Soils (including methods of analysis), and Agricultural 



Engineering — W. H. Beal. 

 Botany and Diseases of Plants — "Walter H. Evans, Ph. D. 

 Foods and Animal Production — C. F. Langworthy, Ph. D. 

 Field Crops — J. I. Schulte. 



Entomology and Veterinary Science — E. V. Wilcox, Ph. D. 

 Horticulture — C. B. Smith. 

 With the cooperation of the scientific divisions of the Department. 



CONTENTS OF VOL. XV, NO. 7. 



Editorial notes: Page. 



^\'ork of the Bureau of Agriculture in the Philippines 633 



Experiment stations iu the Philippines 634 



A card index to periodical literature on agricultural science 639 



Bimonthly list of experiment station publications 640 



New dairy barn at the Kentucky Station, D. W. May 642 



Recent 'work in agricultural science 645 



Notes 731 



SUBJECT LIST OF ABSTRACTS. 



CHEMISTRY. 



Determination of citric-acid soluble phosphoric acid, P. Wagner et al 645 



Investigations on phosphorus and phosphoric acids, H. Giran 645 



Solul;ility of magnesium ammonium phosphate in ammonium citrate, A. Bolis. 645 



AmiiK )iiium salts iu preventing the precipitation of magnesium, F. P. Treadwell. 645 

 Quantitative separation of lime and magnesium by the indirect method, A. C. 



Christomanos 645 



A contribution to the knowledge of calcium car))onate, W. Meigen 645 



Detection and estimation of ammonia by means of sodium picrate, C. Reichard. 645 



A method f( ir the determination of ammonia, A. Schittenhelm 646 



Estimation of nitrates by Schultze-Schlossing method, L. L. de Koninck 646 



Determination of nitrate nitrogen in presence of organic nitrogen, T. Pfeiffer . 646 



The determination of nitrogen by the Kjeldahl method, R. B. Gibson 646 



The results of recent investigations in proteid chemistry, P. A. Levene 646 



On vegetal>le protein, O. Nagel 646 



A new Kjeldahl apparatus, M. Vogtherr 646 



Phosphomolybdic acid for the detection of the amino group, F. Seller and A. 



Verda 646 



Provisional methods of the Hawaiian Sugar Chemists' Association 646 



<')n the polyrotation of sugars, E. Roux 647 



Notes on the hydrolysis of starch by acids, G. W. Rolfeand H. W. Geromanos. 647 



I 



