EXPERIMENT STATION RECORD. 



Editor: K. W. ALLEN, Pii. D., Chief, Office af Exijeriiiitiit stations. 

 Associate Editor: H. L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Chemistry and Agrotecliny — Sybil L. Smith. 



„ ., , T-. *•!• /W. H. Beal. 



Meteorolop>'. Soils, and Fertilizers jj^ ^y Trullingek. 



T3 . . , 1 t„ . 1. f. I /W. H. Evans, Ph. D. 



Agricultural Botany, Bacteriology, and Plant I'athology j-^ j., Boyd. 



Field Crops — H. U. Steece. 



Horticulture and Forestry— E. J. Glasson. 



Economic Zoologj- and Entomologj— W. A. Hooker, D. V. M. 



_ , , ^^ ,, ^ ... /C. F. Langworthy, Ph. D., D. Sc. 



Foods and Human Nutrition [^^^^^ j^ ^^^^^^ 



.Vnimal Husbandry, Dairying, and Dairy Farming — F. .J. Kelley. 



,. , , •», J- . /W. A. Hooker. 



Aeterinary Medicine jg^.^^j^ j^ ^^^^^^ 



Rural Engine<'ring — R. W. Trlxlingeb. 

 „ , „ . /E. Mebsitt. 



Rural Economics I j^^^.jg^, Marbut. 



. . ,^ ,1-1 ..■ IE. H. Shinn. 

 Agricultural Educationj^j ^^.^^ T. Spethmann. 

 Indexes — Martha C. Gvndlach. 



CONTENTS OF VOL. 43, No. 9. 



Page. 



Recent work in agricultural science 801 



Notes 899 



SUBJECT LIST OF ABSTRACTS. 



agriclxtl'ral chemistry — agrotechny. 



Chemical reading courses 801 



Optical properties of a series of heptitols, Wherry 801 



Sedoheptose, a new sugar from Sedum spectabile, II, La Forge 801 



The absorption spectra of the nitric esters of glycerol, Adams 801 



Volemite, La Forge 801 



Acidity of ash-free and commercial gelatin solutions. Patten and Kellems- 801 



Cockle-J)ur oil, a new seed oil, Rhodes 801 



Pappoa .seeds of South Africa as a source of oil 801 



The castor-oil industry, Shrader 802 



Urease content of Dutch seeds- and varieties of soy beans, Wester 802 



Volumetric method for the determination of diastatic capacity, Flohil 802 



A simple method for titrating electrometrically, Klopsteg 803 



Simplification of reaction of Mn salts of Caron and Raquet, Denig6s 803 



Determination of potassium and separation with sodium, Wenger and 



H^nien 803 



Determination of P:Ob as barium phosphoniolybdate, Posternak 804 



Determination of cyanamid and dicyandiamid, Marqueyrol et al 804 



Alkalinity necessary for phloroglucin test for formaldehyde, Hanzllk 804 



Deterniinatian of caffein in mixtures of coffee and substitutes, Vautier 804 



Preservatives for fermentable lieverage samples, McCune and Thurston 805 



Report of the committee on cottonseed products 805 



A comparison of methods for estimating fat in butter, Gregory et al 805 



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IO9730— 20 1 



