EXPERIMENT STATION RECORD. 



Editor : E. W. ALLEN, Ph. D., Chief, Office of Experiment Stations. 

 Assistant Editor: H. L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Chemistry and Agrotechny — E. H. Nollau. 



(W FT Bfat 

 Meteorology, Soils, and Fertilizers {^^; ^; ^If^,^^^^^ 



Agricultural Botany, Bacteriology, and Plant Pathology j^^/ ^- b^yd *"^' ^^' ^' 



Field crop. {J: I;.!™';-- 



Horticulture and Forestry — E. J. Glasson. 



Economic Zoology and Entomology — W. A. Hooker, D. V. M. 



Foods and Human Nutrition {g_ ^•LAmJ^voRTHY, Ph. D., D. Sc. 



Zootechny, Dairying, and Dairy Farming jj^^ D. Mooee. 



■,T , . TIT T • „ /W, A. Hooker. 



Veterinary Medicine jj, ^ nollau. 



Rural Engineering — R. W. Trullingeb. 

 Rural Economics — E. Merritt. 

 Agricultural Education {^^-H. ^^^^^^^^ 

 Indexes — M. D. Moobe. 



CONTENTS OF VOL. 36, NO. 5. 



Editorial notes: Page. 



The agricultural appropriation act, 1917-18 401 



Recent work in agricultural science 411 



Notes 499 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — AGROTECHNY. 



Chemical calculations, Ashley 411 



Chemical constitution and physiological action, Spiegel 411 



The specificity of proteins and carbohydrates, Reichert 411 



Relation of carotinoids of cow, horse, sheep, goat, pig, and hen. Palmer 411 



Reaction of amino acids and carbohydrates as cause of humin formation, Roxas 412 



Tyrosinase and deaminization, Schweizer 412 



The chymase of Solanum elseagnifoliuvi. — A preliminary note, Bodansky 412 



The preparation and properties of lead-chlor arsenate, McDonnell and Smith.. 412 



Methods for chemical and microscopical diagnosis, Steensma 412 



A new type of extractor, McNair 413 



The relative efficiency of laboratory reflux condensers, Dover and Marden 413 



Extending the usefulness of a shaking machine, Chapin and Schaffer 413 



Aeration method for ammonia, DaAdsson, Allen, and Stubblefield 413 



Does vanadium interfere with determination of phosphorus? Gortnerand Shaw. 413 



Examination of a radio-active fertilizer, Jorissen 414 



The solubility of leucite in sulphurous acid, Schroeder 414 



Report of the seventh convention of Dutch food chemists 414 



Improved apparatus for acidity determinations of corn, Besley and Baston — 414 



An improved method for the detection of arachidic acid, Kerr 414 



I 



