EXPERIMENT STATION RECORD. 



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

 Assistant Editox*: H. L. Knight. 



EDITORIAL DEPAKTMENTS. 



Agricultural Chemistry and Agrotechny — L. W. Fetzer, Ph. D., M. D. 

 Meteorology, Soils, and Fertilizers {^; «• Beai.^^^^^^_ 



Agricultural Botany, Bacteriology, Vegetable Pathology j^' ^- gQ^o ^' ^^ ^ 



T^. 1 , /-c„„^„ jJ. I- SCHULTE. 



Field Crops j^. j^j tucker, Ph. D. 

 Horticulture and Forestry — E. J. Glasson. 



T7, , 1 TT TVT i •+• , |C. F. Langworthy, Ph. D., D. Sc. 



Foods and Human Nutrition tt t lang 



Zootechny, Dairying, and Dairy Farming — H. Webster. 



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



Veterinary Medicine {W-^- HomcER. ^^^^^^^ 



Rural Engineering — R. W. Trullinger. hEW YORK 



Rural Economics — E. Merritt. ' 



Agricultural Education— C. PL Lane. BOTANICAL 



Indexes — M. D. jMoore. (jAKOiaW. 



CONTENTS OF VOL. XXXI, NO. 5. 



Editorial notes: Page. 

 The United States and Canadian commissions on vocational training and 



some of their conclusions as to agricultural education 401 



Recent work in agricultural science 407 



Notes 496 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — AGROTECHNY. 



A report of chemical investigations on the lime-sulphur spray, Tartar 407 



Reaction between sulphur and potassium hydroxid in aqueous solution, Tartar. 409 



On the valuation of lime-sulphur as an insecticide, Tartar 409 



Soluble arsenic in mixtures of lead arsenate and soap, Tartar and Bundy 409 



The present status of the synthesis of plant alkaloids, Bauer 409 



Solubility of casein in dilute acids. Van Slyke and Winter 409 



A contribution to the history of corn sugar, De Vilmorin and Levallois 409 



The chemistry of gums and mucin substances, Schirmer 409 



In regard to a uniform nomenclature for ferments, Giaja 409 



Existence of three types of proteolytic vegetable ferments in latexes, Gerber. . 409 



The lipases of a latex, Gerber 410 



The rennet of the latex of Calotropis procera, Gerber and Flourens 410 



In regard to the nature of amylases, Kamecki 410 



In regard to invertase, I, II, Meisenlieimer, Gambarjan, and Semper 410 



The preparation of neutral ammonium citrate solution, Rudnick and Latshaw. . 410 



Determination of citric acid-soluble phosphoric acid in Thomas slag, Haussding . 410 



Winkler's method for oxygen in water; effect of nitrite, Hale and MeUa 411 



Estimation of starch and dextrin in sugar products, etc., Auguet 412 



I 



