EXPERIMENT STATION RECORD. 



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

 Associate Editor : H. L. Knight. 



EDITOKIAI. DEPARTMENTS. 



Agriraltural Chemistry and Agroteehny — Sybil L. Smith. 

 ,, , , <^ ., , T-, i-T fW. H. Beal. 



Meteorology, Soils, and Fertilizers ij j^^ Luckett. 



. , ,^i -n, ^ • 1 jT^iiTiiii /W. H. Evans, PIi. D. 



Agricultural Botany, Bacteriology, and Plant Pathology Uy^ g^ Boyd. 



Field Crops — J. D. Luckett. 



Horticulture and Forestry — E. J. Gl.vsson. 



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



„ J , T, i<T ^ ... fC. F. Langworthy^ Ph. D., D. So. 



Foods and Human ISutrition < g^^^^^ j^ Smith. 



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

 ^r ^ ■ TIC T • fW. A. Hooker. 



Veterinaiy Medicine-^ g^j 



rBiL L. Smith. 

 Rural Engineering — R. W. Trullinger. 

 CE. Merritt. 

 [Louise Marbut. 



{A T~)TT TjE 

 Im'arie T.' Spethmann. 

 Indexes — Amelia B. Deans. 



Rural Economics < £^ 



CONTENTS OF VOL. 41, No. 4. 



Editorial notes: Page. 



Economy in experiment station work 301 



Recent work in agricultural science 310 



Is^otes 398 



SUBJECT LIST OP ABSTRACTS. 



agricltltural chemistry — ^agrotechny. 



Colloid chemistry, Alexander 310 



Catalytic hydrogenation and reduction, Maxted 310 



Changes in oils upon storage, Gardner 310 



The rotatory powers of amids of active a-hydroxy acids, Hudson 310 



Rotatory powers of amids of a-hydroxy acids, Hudson and Komatsu 310 



The amid of a-5-mannoheptonic acid, Hudson and Monroe 310 



The constitution of capsaicin, the pungent principle of Capsicum, Nelson__ 310 



[Urease] . Jacoby 310 



Substitution of methyl and denatured alcohol for ethyl alcohol, Prescher_ 311 



A simple weighing burette, MacArdle 311 



A laboratory drying apparatus, Friinkel 311 



A new condenser, Frankel 311 



A new form of distilling bulb, McHargue 311 



<y> Determination of carbon monoxid in hydrogen, Rideal and Taylor 312 



^ Method for determining efficiency of ammonia oxidation, Gaillard 312 



Adapation of Mohr method to determinations of chlorin, Yoder 312 



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