EXPERIMENT STATION RECORD. 



Editor: E. W. ALLEN, Ph. D., Cliief, Office of Experiment stations. 

 Associate Editor: H. L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Cheuustry and Agrotechny — E. H. Nollau. 



Meteorology, Soils, and Fertilizers |j ^^ LucmETT. 



A • ,,. , X, ^ T> 4. • , \^ ^, 4. T3 ^i" 1 /W. H. Evans, Ph. D. 



Agricultural Botany, Bacteriologj*, and Plant Pathology ■j^ir ^ Boyd 



T-i- 1 1 i-. f J. I- SCHtlLTE. I I 



FieldCropsjj ^ LucKETT. ^^ 



Horticulture and Forestry — E. J. Glasson. 



Economic Zoology and Entomologj' — W. A. Hooker, D. V. M. f^o'l 



Foods and H„„au Nutrition {g; ^•^,>;--»™' "'■ °- ''^ '" 



f D W May 

 Zootechny, Dairying, and Dairy Farming |j£ jy' ^^qq^^ 



„■ . nr T • fW. A. Hooker. 



Veterinary Medicine |j^_ ^ Nollau. 



Rural Engineering — R. W. Trullingeb. 

 Rural Economics — E. Merritt. 

 . . ,, , -n. •, ,. fF. E. Heald. 

 Agricultural Education jj^j ^ Spethmann. 



Indexes — M, D. Mooee. 



CONTENTS OF VOL. 38, NO. 4. 



Editorial notes: Page. 

 Report of the Commission on the Investigation of Agricultural Education 



in Massachusetts 301 



Recent work in agiicultural science 309 



Notes 399 



SUBJECT LIST OF ABSTRACTS. 



AGRICULTURAL CHEMISTRY — AGROTECHNY. 



An introduction to colloid chemistry, Ostwald, trans, by Fisher 309 



The action of aluminum chlorid on cymene, Schorger 309 



Tannin content of Pacific coast trees, Benson and Jones 309 



The indigenous tans and vegetable dyestuffs of New Zealand, Aston 309 



Comparative tests of chemical glassware, Walker and Smither 309 



Apparatus for fractional distillation, Noyes and Skinner 309 



The solubility of silica, Lenher and Merrill 310 



Study of the preparation of ammonium nitrate, Rengade 310 



Nitrogen distribution in protalbinic and lysalbinic acids, Kennedy and Gortner 310 



Effect of acid hydrolysis on nitrogen distribution of fibrin, Gortner and Hohn. 310 



Some nitrogenous auxoamylases, Rockwood 311 



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