EXPERIMENT STATION RECORD. 



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

 Associate Editor : H, L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Cliemistry and Agrotechny— Sybil L. Smith. 

 Meteorology, Soils, and Fertilizers |j^ * ^^ trullingek. 



„ . . , ^ Ti, ^ T, *K 1 JW. H. Evans, Ph. D. 



Agricultural Botany, Bacteriology, and Plant Pathology |^y_ ^ Boyd. 



Field Crops — J. D. Luckett. 



Horticulture and Forestry — E. J. Glasson. 



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



„ ^ , ^^ ^, ^ .^. fC. F. Langworthy, Ph. D., D. Sc. 



Foods and Human Nutrition jg^BiL L. Smith. 



Animal Husbandry, Dairying, and Dairy Farming— F. J. Kellet. 



,, ^ . T,T T • fW. A. Hooker. 



Veterinary Medicine jg^BiL L. Smith. 



Rural Engineering — R. W. Trullinger. 

 Ti , Tn . /E. Merritt. 



Rural Economics I LOUISE Marbut. 



Agi-icultural Education {^^^^^^^J Spethmann. 

 Indexes — Amelia B. Deans. 



CONTENTS OF VOL. 41, No. 6. 



Page. 



Recent work in agricultural science 501 



Notes 599 



SUBJECT LIST OF ABSTRACTS. 



AGRICULTXJRAL chemistry' — AGROTECHNY'. 



Agricultural chemistry, Gain 501 



Industrial and agricultural chemistry in British Guiana, Browne 501 



Bulletin from the analytical food laboratories in Surinam, Sack 501 



International catalogue of scientific literature. D. — Chemistry 501 



The volatile oils, Gildemeister and Hoffmann 501 



American tomato seed oil, Jamieson and Bailey 502 



Contribution to study of ash-constituents of plants, L. and D. Leroux 502 



Composition of the ash of crab grass as affected by the soil, Buckner 502 



Physical and chemical properties of hydrocyanic acid. Gray and Hulbrit- 502 



An adiabatic bomb calorimeter, Holland, Reed, and Buckley 503 



Electrical apparatus for use in electrometric titration, Roberts 503 



Indicator test papers, Kolthoff 503 



Determination of hydrogen-ion concentrations in bacterial cultures, Jones_ 503 



A sensitive reaction of manganese salts, Caron and Raquet 504 



Specific colored reaction of oxalates, Caron and Raquet 504 



Ijodometric studies, Kolthoff 504, 



Determining nitrogen by Kjeldahl process, Villiers and Moreau-Talon — 504 



Notes on potash determination, Steuerwald 504 



Sulphates in electrolyte and sulphur in foods, Krieble and Mangum 505 



Determination of lactose and of albuminoids in preserved milk, Defrance_ 505 



On the estimation of sugar in blood, Maclean 505 



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