EXPERIMENT STATION RECORD. 



Editor: E. W. ALLEN, I'li. D., Assistant Diredur. 



EDITORIAL DEPARTMENTS. 



Chemistry, Dairy Farmincr, and Dairying— The Editor and IL W. Lawson. 

 I\Iett'(ir(i]o<i;y, Fertilizers and Soils (including methods of analysis), and Agricultural 



P^ngineering — AV. 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 cooi:)eration of the scientific divisions of the Dei)artnient. 



CONTENTS OF VOL. XIV, NO. lo. 



Page. 



Editorial note: Progress of secondary c(hication in agriculture 933 



Recent work in agricultural science 938 



Notes ^ 1034 



SUBJECT LLST OF ABSTRACTS. 



CHEMISTRY. 



Errors in manure sampling and analysis, W. Frear 938 



The estimation of available phosphoric acid in manures, W. F. Sutherst 939 



On the solution of insoluble calcium phosi)hate by means of ammonium citrate 



solutions, K. Zulkowski and F. Ce<livoda 939 



On the determination of citric-acid soluble phosphoric acid, W. Naumann... 940 

 The preparation of molybdic solution for the determination of 2)h()spl1oric acid, 



A. Mer(;ier 940 



The raj)id determination of potash in kainit, M. Passon 940 



Apparatus for the determination of nitrates and nitrites, E. Commandncci 940 



The volumetric determination of nitric acid, J. K. Pheljis 940 



Simple method for quantitative determination of nitric acid in water, C 



Frerichs 940 



The determination of hardness in water, W. Peters 940 



Analysis of milk and dairy products 941 



The determination of the percentage of water in l)utter 941 



Wollny'srefractom^ter for determining the fat content of skim milk, C. Barthel. 941 

 Methods of incineration for determining chlorin in animal solutions and organs 



as well as in foods, C. Strzyzowski 941 



The chemistry of plant and animal life, H. Snyder 941 



Text-book of agricultural chemistry, A . Mayer 941 



The application of the equilibrium law to the separation of crystals from complex 



solutions and to the formation of oceanic salt deposits, E. F. Armstrong 941 



Methods for investigating canceling inks and other stamping inks, E. E. Ewell. 942 



New laboratory apparatus, C. Zahn 042 



Report of the Swedish chemical control stations for 1900, A. Lyttkens 942 



I 



