EXPERIMENT STATION RECORD. 



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



EDITORIAL DEPARTMENTS. 



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

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



Engineering — W. IL Beal. 

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

 Foodsand Animal Production— C. F. Langworthy, Ph. D. 

 Field Crops — J. L 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. XIV, NO. 2. 



107 



Editorial notes: _ P9.ge,. 



Fiftieth anniversary of the first State experiment station 101 



Prof. A. Petermann, founder of experiment station system of Belgium . . . 103 



Jacob Richards Dodge, agricultural statistician 104 



Virchow's service to agriculture 105 



Convention of Association of Ofiicial Agricultural Chemists, 1902, H. W. Law- 

 son 



Recent work in agricultural science 117 



Notes 197 



SUBJECT LIST OF ABSTRACTS. 



CHEMISTRY. 



The determination of perchlorate in saltpeter, A. Dupre 117 



The determination of total phosphoric acid in Thomas slag, C. Aschman 117 



Note on the analysis of superphosphates, J. Legrand 117 



Determination of sulphuric acid in soils, C. B. Williams 117 



A lime test for soils rich in lime and marls, ]\L Passon 117 



Tlie determination of annnonia in waters, O. Emmerling 117 



The solubility of dicalcium phosphate in pure water, A. Rindell 118 



Comparative nitrogen determinations, O. Kellner 118 



Criticism of official method for estimation of nitrogen, C. A. Mooers 118 



Experiments with the Kjeldahl method of nitrogen estimation, H. D. Law... 118 



Source of error from use of mercury in Kjeldahl method, C. A . Mooers 1 18 



Application of Kjeldahl method in the lanyard, J. G. Parker 118 



An easily made and safe dephlegmator for Kjeldahl distillations, AV. J. Lovett. 119 



Fixing nitrogen from the air, T. C. Martin 119 



Report on general work in the chemical laboratory, C. A. Goessmann 119 



Potash and phosphoric acid content of potato leaves, J. Seisl and E. Gross . . . 119 



Compilation of analyses of fruits, garden crops, etc., H. D. Haskins 119 



Laboratory apparatus, P. N. Raikow 119 



Apparatus for examination of atmosphere, W. Chattaway and F. M. Wharton. 119 



I 



