Property of the United States Government. 



EXPERIMENT STATION RECORD. 



I'Alitor: K. W. ALLEN, Pii. 1)., .l,'*.s/.s/((///. Dimiur. 



KDITOUIAl, DEl'AUTMKNTS. 



Mctoorolofry, Soils, and Fertilizers — \V. II. Heal. 



A<;ricultural Botany and VeKeta])le Pathology — W. II. Evans, Ph. D. 



Field Croi)s — ,T. I. Scuulte. 



Hortionltnre and Forestry — C. B. Smith. 



Zootechny and Ilunian Nntrition — 0. F. Langworthy, Ph. D. 



Agrotechny, Dairy Fanuiii^s and Dairying — II. W. Lawson. 



Agrit'nltnral Chemistry — W. II. Beal, C. F. Lanoworthy, and II. W. Lwvson. 



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



Rural Engineering — B. P. Fleminc;. 



Rural Fx-onomies — J. B. Morman. 



Agricultural lulucation — D. J. Crosby. 



CONTENTS OF VOL. XVIII, NO. 5. 



Editorial notes: Page. 



Extension teaching in agriculture ." 401 



Organization of extension work 403 



Convention of Association of American Agricultural Colleges and Experiment 



Stations, K. VV. Allen 406 



Recent work in agricultural science 417 



Notes 494 



SUBJECT LIST OF ABSTRACTS. 



agriciltural chemistry. 



Rapid determination of phosphoric acid, Graftiau 417 



Contribution to the titration of j>hosphoric acid, Schucht 417 



Contribution to determination of lime and magnesia, Westhausser 417 



Description of a calcimeter, Passerini 417 



Chemical soil analysis, Mitscherlich 417 



Analysis of nitrate of soda. Beck 418 



Scheit)ler's ap])aiatus for cai'bdiiic acid in carbonates, Collins 418 



Determination of ash in an electrically heated furnace, Sei})ert 418 



Report of committee on standai'd methods of water analysis 418 



Determination of total arsenic acid in London purple, Mahin 418 



Direct nu-thod for the analysis of milk, d'lluart 418 



Experiments in relation to milk testing, HTift 418 



Estimation of proteid in Innnan milk, Sikes 418 



(Quantitative; dcterniination of proteids in milk, P>oggs 419 



Rapid determination of water in l)utter, Patrick 419 



Direct determination of water in butter, Aschmann and A rend 419 



Refraction of nonvolatile fatty acids of l)utter, Ludvvig and Ilaupt 419 



Detection of adidteration of l)utter with cocoanut oil and oleomargarin, Kobin. 419 



Detection of formaldehyde in milk, Acree 419 



Determination of salicylic acid in canned tomatoes, catsups, etc., Dubois 419 



Boric acid: Its detection and determination. Low 419 



I 



