EXPERIMENT STATION RECORD. 



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



EDITORIAL DEPARTMENTS. 



Chemistry, Dairy Farming, and Dairying — The Editor and H. W. Lawson. 

 Meteorology, Fertilizers and Soils (including methods of analysis), and Agricultural 



Engineering — W. H. Beal. 

 Botany and Diseases of Plants — Walter H. Evans, Ph. D. 

 Foods and Animal Production — C. F. Langworthy, Ph. D. 

 Field Crops — J. I. Schulte. 



Entomology and Veterinary Science — E. V. Wilcox, Ph. D. 

 Horticulture — C. B. Smith. 

 With the cooperation of the scientific divisions of the Department. 



CONTENTS OF VOL. XVI, NO. 7. 



Editorial notes: Page. 



The agricultural appropriation act, 1905-6 629 



The statistics of irrigation 632 



Development of irrigation investigations in the Department of Agriculture. 634 



Recent work in agricultural science 638 



Notes 726 



SUBJECT LIST OF ABSTRACTS. 



CHEMISTRY. 



Manual of the chemical analysis of rocks, II. S. Washington 638 



Estimation of potash in soils, plants, and fertilizers, F. P. Veitch 638 



The determination of lime, A. W. B 638 



Determination of organic carbon in soils, J. H. Pettit and I. O. Schaub 638 



The reduction of perchlorate in the wet way, B. Sjollema 638 



Soils and soil analysis, F. Hughes 638 



Sodium peroxid in organic analysis, F. von Konek and A. Zohls 639 



Estimation of sulphur bysodium peroxid, A. Neumann and J. Meinertz 639 



Preparation of pure sodium hydroxid for laboratory purposes, F. W. Kiister.. 639 



The present problems of physiological chemistry, R. H. Chittenden 639 



Studies of the fat and acids of flour, Balland 639 



The estimation < if fat in milk and cream 639 



Investigations of Sichler's sin-acid butyrometry, P. Gordan 639 



Experiments on the usefulness of sin-acid butyrometry, du Roi andKoehler.. 640 



Results of tests of Sichler's sin-acid butyrometry, M. Klassert 640 



Sin-acid butyrometry, M. Popp 640 



Determination of fat in milk treated mechanically, M. Siegfeld 640 



Gerber method of cream and butter analysis, J. Siedel and A. Hesse 640 



On tin- applicability of the " Lactoscope," F. Lauterwald 640 



On some methods of determining fat in skim milk, L. Vanzetti 640 



The improved Gerber method of determining fat in cheese, P. Wieske 641 



The identification of cocoanut oil in butter fat, F. Wiedmann 641 



The identification of cocoanut fat in butter, A. Segin 641 



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