EXPERIMENT STATION RECORD. 



Editor: E. W. ALLP^N, Pii. 1)., jUsldant Director 



KDITOHIAL DKI'AKT.MKXTS. 



^Meteorology, Soils, and Fertilizers — W. 11. Beal. 



Agricultural Botany and Vegetable Pathology — W . H. Evan«, Ph. D. 



Field Crops — J. I. Schulte. 



f lortieulture and Forestry — C. B. Smith. 



Zootechny and Human ^'utrition — C. F. Langworthv, Ph. D. 



Agrotechuy, Dairy Fanning, and Dairying — H. W. Lawson. 



Agricultural Chemistry — \V. 11. Beal, C. F. Langworthv, and H. W. Lawson. 



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



Rural Engineering — B. P. Fleming. 



Rural Economics — J. B. Morman. 



Agricultural Education — D. J. Crosby. 



CONTENTS OF VOL. XVIII, NO. 3. 



Editorial notes: 



Progress in medical and in agricultural science and practice 201 



Relation between investigation and instruction 204 



Retirement of Director R. J. Redding 206 



Recent work in agricultural science 207 



Notes 297 



SUBJECT LIST OF ABSTRACTS. 



AGRICULTURAL CHEMISTRY. 



Detection of natural phosphates in phosphatic slags, Ledoux 207 



Determination of actual agricultural value of phosphatic slags, Gregoire 207 



Determining phosphoric acid in slag and natural phosphates, Ruwet 207 



Determination of phosphoric acid in artificial fertilizers, Christensen 207 



New modification of method of determining phosphoric acid 207 



Indirect determination of small amounts of magnesia, Berju 207 



Solubility of phosphoric acid in typical Swedish soils, Nannes 208 



Chemical equilibrium of bases with phosphoric acid, Berthelot 208 



Analysis of nitrate of soda, Bensemann 208 



Two new color reactions for nitric acid, Reichard 208 



Investigation and valuation of fertilizers, feeding stuffs, etc., Krische 208 



Methods of determining carbon dioxid, Holtschmidt 208 



Determination of caribou dioxid in waters, Bruhns 208 



Reliability of the Baudouin reaction, Rurdam 208 



Formaldehyde: Its composition and uses. Smith 208 



Paints and their composition, Ladd and Holley 209 



Report of chemical laboratory of Swedish Moor Culture Society, von Feilitzen . 209 



Report of the chemist: Division of foods and feeding, Lindsey - 209 



I 



