ifly of llie Onited Slates Governmesl 



EXPERIMENT STATION RECORD. 



Editor: E. W. ALLEN. Ph. D.. Assistwiit Director. 



EDITORIAL DEPABTMENTS. 



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



Asi'ifiiltiiral Botauy and Vegetable Pathology — W. H. Evans. Ph. D. 



Field Crops — .J. I. Schulte. 



Horticulture and Forestry — E. J. Glasson. 



Zootechny aud Human Nutrition — C. F. Langworthy. Ph. D. 



Agrotechuy. Dairy Farming, and Dairying — R. D. Milner. 



Agi-ifultural Chemistry — W. H. Deal, C. F. Langworthy. and R. D. Milner. 



Economic Zoology, Entomology, and Veterinary Medicine — E. V. Wilcox, Ph. D. 



Rural Engineering — 



Rural Economics — J. B. Mobman. 



Agricultural Education — D. J. CROsnY. 



CONTENTS OF VOL. XIX, NO. 5. 



Editorial notes: Page. 



The position of agricultural chemistry in (Jerman universities 401 



Agricultural instruction on the basis of the pure sciences 402 



The modern basis of courses in agriculture 405 



Recent work in agricultural science 407 



Notes 493 



SUBJECT LIST OF ABSTRACTS. 



AGRICULTURAL CHEMISTRY. 



Chemistry and Canadian agriculture, Shutt 407 



Progress in agricultural chemistry during 19UG, Stutzer 407 



The behavior of pheuoli)hthalein toward alkali solutions of high concentra- 

 tion, Margosches . 407 



A new method for the determination of ammonia, Ronchese 407 



Methods of estimating the metabolism of nitrogen, M. and H. Labbe 407 



The determination of potash by the platinum chlorid method, de Vries — 407 



The determination of pota.sh and soda in feldspar. DiJlner 408 



Determination of phosphoric acid volumetrically, Richardson . 408 



Determination of i)hosphoric acid in Thomas slag, Wagner et al 408 



Determination of nitric acid in the soil, Frankfurt and Dushechkin 400 



The obtaining of the soil solution in unaltered condition, Ishcherekov — 400 



The interaction between minerals and water solutions, Sullivan 409 



The determination of huniic acid in soils. Coops 410 



Extracting with citric acid as a means of determining the fertility of soils, 



Frankfurt and Novikev 410 



Determination of carbon dioxid, Waggaman 411 



The determination of nitrogen in water by elementary analysis, Rubner— 411 



A rapid method for the determination of calcium in water. Hale 411 



Determination of the hardness of water, Nawiasky and Korschuii 411 



The determination of manganese in water, Westoij 411 



Swiss food book 411 



I 



