EXPERIMENT STATION RECORD. 



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

 Assistant Editor: 11. L. Knight. 



EDITORIAL DEPARTMENTS. 



Meteorology, Soils, and Fertilizers — \V. U. Beal. 



Agricultural Botany and Vegetable Pathology — W. H. Evans, Ph. D. 



Field Crops — J. 1. Schulte. 



Horticulture and Forestry — E. J. Glasson. 



Foods and Human Nutrition — C. F. Langworthy, Ph. D. 



Zootechny, Dairying, and Agrotechny — E. W. Morse. 



Agricultural Chemistry — W. H. Beal, C. F. Langworthy, and E. W. Morse. 



Economic Zoology, Entomology, and Veterinary Medicine — W. A. Hooker. 



Rural Engineering — G. A. Griffin. 



Rural Economics — J. B. Morman. 



Agricultural Education — D. J. Crosby. 



CONTENTS OF VOL. XXI, NO 6. 



Page. 

 Editorial notes: 



The organization of extension work 501 



The attitude toward secondary agricultural education 504 



Convention of Association of American Agricultural Colleges and Experiment 



Associations, 1909 .' 506 



Recent work in agricultural science 517 



Notes 595 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry. 



Biochemical pocket manual, Glikin 517 



The general characters of the proteins, Schry ver 517 



A new method of extracting phytin, Contardi 517 



The determination of iodin in protein combinations, Riggs 517 



Chemical technology and analysis of oils, fats, and waxes, Lewkowitsch 518 



Theory of the hydrolysis of fats and oils, Kellner 518 



Investigation of linolenic acid in linseed oil, Erdmann and Bedford 518 



Constitution of linolenic acid, Erdmann, Bedford, and Raspe 518 



Oil of colocynth seeds, Grimaldi and Prussia 518 



Preparation and chief characters of samphire oil, Borde 518 



Analysis of the oil from the seeds of Symphonia globuUfera, Southcombe 518 



Some Sudan fats and oils. Beam 518 



The composition of shea butter, Southcombe 518 



The soy bean and its probable effect on the markets 519 



Sugar; a handbook for planters and refiners, J. A. R. and B. E. R. Newlands. . 519 



Influence of clarification on the valuation of raw sugars, Prinsen Geerligs 519 



Diastases. Methods of research and progress made, Thomas 519 



The determination of nitrogen in nitrates, Kleiber 519 



The preparation of soil samples for chemical analysis, MacNider 519 



On methods of acjueous extraction, Zakharov 520 



The determination of potash in soils, De Sornay 520 



Determination of potash in soils as phosphomolybdate, De Sornay 520 



Potash tests in mixed fertilizers, Breckenridge 520 



The determination of oxids of iron and alumina in Florida phosphates, Herzog. 520 



Occurrence of fluorin in phosphates and determination in guano, Vibrans 521 



I 



