EXPERIMENT STATION RECORD. 



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



EDITORIAL DEPARTMENTS. 



Chemistry, Dairy Farming, and Dairying — The Editoii and H. W. Lawson. 

 Meteorology, Fertihzers and Soils, (inclnding method.s of analysis), and Agricuiltural 



Engineering — W. H. Beal. 

 Botany and Diseases of Plants — Walter H. Ev^ans, Ph. D. 

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

 Field Crops — J. I. Schulte. 



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

 Horticulture — C. B. Smith and V. A. Clark. 

 With the cooperation of the scientific divisions of the Department and the Abstract 



Committee of the Association of Official Agricultural Chemists. 



CONTENTS OF Vol. XII, No. 5. 



Editorial notes: 



Need of more perfect organization of the experiment stations 401 



Differentiation of the investigator from the teacher 403 



Fourteenth annual convention of the Association of American Agricultural 



Colleges and P^xperiment Stations, E. W. Allen 404 



Recent work in agricultural science 416 



Notes •- 499 



SUBJECT LIST OF ABSTRACTS. 

 chemistry. 



The relation of chemistry to the progress of agriculture, H. W. Wiley 418 



The estimation of alumina and ferric oxid in natural jihosphates, F. P. Veitch. 416 

 A new method for the determination of aluminum, E. T. Allen and V. H. 



Gottschalk 416 



Estimation of calcium carbonate in soil, H. Schiitte 417 



Direct estimation of calcium in the jiresence of iron and aluminum, L. Blum . 417 



Soil humus — some sources of error in analytical methods, A. L. Emery 417 



Gypsum and limestone, G. W. Shaw 419 



J50TANY. 



Progress of plant breeding in the LTnited States, H. J. Webber and E. A. Bessey . 421 



Progress of economic and scientific agrostology, F. Lamson-Scribner. 421 



Economic grasses, F. Lamson-Scribner 421 



Report of the botanist, C. E. Bessey 419 



I 



