EXPERIMENT STATION RECORD. 



Vol. XXXIV. Abstract Number. No. 9. 



RECENT WORK IN AGRICULTURAL SCIENCE. 



AaRICULTTJRAL CHEMISTRY— AGROTECHNY. 



A handbook of colloid chemistry; the recognition of colloids, the theory 

 of colloids, and their general physico-chemical properties, W. Ostwald, trans. 

 by M. H. Fischer, R. E. Oespeb, and L. Berman {Philadelphia: P. Blalci^ston's 

 Son d Co., 1915, pp. X//+27S, pi. 1, figs. 60).— This is the first English edition, 

 translated from the third German edition of this work. It contains methods 

 for general and special colloid analysis and a general theoretical consideration 

 of the subject of colloid chemistry. Many references to original communica- 

 tions are cited in the text. 



Industrial and manufacturing chemistry. — I, Organic, G. Martin et al. 

 {London: Crosby Lockivood & Son, 1915, 2. ed., rev. and enl., vol. 1, pp. XX -{-734, 

 pis. 5, figs. 2Jf4 ) . — This is the second edition, revised and enlarged, of the work 

 previously noted (E. S. R., 30, p. 610). The various sections have been 

 brought up to date and new ones added on the hydrogenation of fats, the 

 manufacture of milk sugar, the manufacture of maize and arrowroot starch, 

 the analysis of rubber, and the new synthetic tanning materials. An index 

 list of trade names of the newer synthetic drugs, photographic developers, etc., 

 is appended. 



Supplement to Muspratt's encyclopedia of technical chemistry. — Tech- 

 nology of the organic chemical industries, edited by A. Binz {Ergdnzungsicerk 

 ::u Muspratt's Encyldopddischem Ilandbuch der Technischen Chemie. — Cheml- 

 srhe Technologic Organischer Industriezweige. Brunswick: F. Vieweg & Son, 

 1915, vol. 3, 1. half, pp. XIV -^515, figs. 5i).— This is the first part of the third 

 supplementary volume to the original work. The general subjects considered 

 are ether, drugs and sera, celluloid, cellulose, tlie use of cellulose esters for 

 films, disinfection, protein, protein preparations, noninflammable solvents and 

 extraction agents, natural dyestuffs, intermediate products of the coal-tar dye 

 industry, coal-tar dyes, pigments, the determination, testing, and value of coal- 

 tar dyes, and varnishes, siccatives, and lacs. 



Supplement to Muspratt's encyclopedia of technical chemistry. — The 

 chemical technology of fermentation and food stuffs, edited by F. Hayduck 

 {Ergdnzungsioerk zxi Muspratt's Encyklopddischem Handbuch der Technischen 

 Chemie. — Chcmische Tcchnologie der Gdnmgsgcwcrbe, Nahrtings- und Genuss- 

 mittel. Brunswick: F. Tieiveg <& Son, 1915, vol. 4, 1. half, pp. XI -{-516, figs. 

 331). — This is the first part of the fourth supplementary volume to the original 

 work. The subjects considered are alcohol and compressed yeast, beer, bread, 

 butyric acid, vinegar, and the tanning industry. 



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