EXPERIMENT STATION RECORD. 



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



EDITORIAL DEPARTMENTS. 



Chemistry, Dairy Farming, and Dairying — Tlie Editor and H. W. L\wson. 

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



Engineering — W. II. 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. Y. Wilcox, Ph. i). 

 Horticulture — C. B. Smith. 

 With the cooperation of the scientitic divisions of the Department. 



CONTENTS OF VOL. XV, NO. 4. 



Editorial notes : Page. 



Eeport of the Secretary of Agriculture for 1903 317 



The personnel of the Department of Agriculture 320 



Convention of Association of American Agricultural Colleges and Experiment 



Stations 322 



Recent work in agricultural science 335 



Notes 419 



SUBJECT LIST OF ABSTRACTS. 



chemistry. 



Determination of available phosphoric acid and potash in calcareous soils, 



H. H. Cousins and II. S. Hammond 335 



Determination of free phosphoric acid, A. D. Herzf elder 335 



Quantitative determination of phosphates in stomach contents, G. H. A. 



Clowes 335 



Modification of Dumas' method for nitrogen, R. Bader and A. Stohmann 335 



Applicability of Dumas' method for nitrogen to gas mixtures, C. Charitschkoff. 336 



Methods of estimating nitrogen and protein in feces, A . Zaitschek 336 



Oxidation of atmospheric nitrogen by electrical dischai-ges, F. von Lepel 336 



Table for calculating protein from nitrogen, O. Goltschke 336 



The determination of nitric acid in water, A. Miiller 336 



A new quantitative method of determining ammonia, A. Bayer 336 



Progress in the field of the chemistry of waters, A. Goldberg 336 



New- method for tlie determination of organic substances in waters, C. Lenor- 



mand 336 



The influence of distilled water on the determination of tlie reducing power of 



jiotable and sewage water l)y means of ]H'rmanganate solution, II. Noll 336 



Solubility of gypsum in solutions of sodium chlorid, A. d' Anselme 33() 



On the protamins and the constitution of albuminoid substances, A. Kosscl . . 337 



A new method of determining sulphuric acid, F. Raschig 337 



Titration of sulphuric acid with benzidine chlorhydrate, W. J. Midler 337 



Determination of sulphuric acid by means of benzidine, F. Raschig 337 



Estimation of suljihur in urine by means of sodium peroxid, G. Modrakowski. 337 



Hoppe-Seyler's handbook of chemical analysis, Thierfelder 337 



I 



