II CONTENTS. 



Page. 



The guaiac test for distinguishing raw and boiled milk, Schern and Schellhase. . 13 



The blue coloration obtained with tincture of guaiac, Tewes 13 



The Schardinger reaction for milk, Rullmann 13 



The catalase reaction for milkvS from cows affected with mastitis, Huynen 14 



Volatile acidity of gum tragacanth compared with that of Indian gum, Emery. . 14 



Determination of nicotin, Bertrand and Javillier 14 



An electrically controlled constant-temperature water bath. Gore 14 



Mixing, stirring, and kneading, and the machines used, Fischer H 



International catalogue of scientific literatiu-e. D — Chemistry 14 



Yearly report ofprogress made in agricultural chemistry, edited by Dietrich. . . 14 



Report of the official agricultural laboratories of Belgium, 1910 14 



Modem chemical technology, edited by Dammer 14 



Yearly reports in regard to the fermentation organisms, Koch 15 



Manufacture of starch, Rehwald 15 



METEOROLOGY — WATER. 



The climate of Switzerland, Maurer, Billwiller, jr. , and Hess 15 



The influence of rain and temperature on cereal crops, Kharizomenov 15 



Precipitation in Havana in each month of the years 1859 and 1908, Miiller 15 



Protection of Beaujolais against hail by electric barrages, Perraud 15 



Water powers of North Carolina _ ._ 15 



The origin and wholesomeness of the saline waters in the London Basin, Thresh . 16 



Purification tests of the water supply of Marseille, Amaud et al 16 



Utilization of sludge in England, Batley 16 



Sewage sludge disposal, Batley 17 



The private sewage disposal plant. Manning 17 



SOILS — FERTILIZERS. 



Soils of the eastern United States and their use, XXIX-XXXV, Bonsteel 17 



Soils of the Shenandoah River terrace: A revision of certain soils, Bennett 18 



Soils of the San Luis Valley, Colo., Lapham 18 



Agricultural possibilities of" the Canal Zone. Part I, Soil survey, Bennett 19 



Records of drainage in India, Leather 19 



Lysimeter investigations, 1911, Kriiger 19 



The flow of subsoil water. Hurst 20 



The conservation of the soil, Gr^goire 20 



The absorption phenomena of cultivated soils, Aberson 20 



The biological absorption of soils, Stoklasa 20 



Biochemical relations of the phosphate ion in the soil, Stoklasa 21 



Loss of ammonia from soils and experiments on nitrogen balance, Ehrenberg. 21 



The loss of ammonia from manured soils, Ehrenberg 21 



The loss of ammonia from soils, Liech'ti and Ritter 21 



Green manuring in Mysore, Coleman, Iyengar, and Sampatiengar 21 



The smells of manure works of Paris, Boudouard 21 



Fertilizer resources of the United States, Cameron, Moore, et al 22 



Potash salts: Summary for 1911, Phalen 23 



An investigation of the Otero Basin, New Mexico, for potash salts. Free 23 



Potash from the Pacific kelps 23 



Leucite as a potash fertilizer, Bonomi 23 



On the economic use of potassic fertilizers, Bonomi 24 



Comparative tests of calcium and sodium nitrates as fertilizers, Bonomi 24 



Chilean production of nitrate, Winslow 24 



Lime for Alabama soils, Duggar and Funchess 24 



Liming the soil, Abbott 24 



The uses of peat for fuel and other purposes, Davis 24 



AGRICULTURAL BOTANY. 



British fungi and lichens, Massee 25 



Enzym studies of lower fungi, Dox 25 



Oxidizing enzyms in certain fungi pathogenic for plants. Reed and Stahl 25 



The root nodules of Myrica gale, Bottomley 25 



The morphology of the root tubercles of Alnus and Elseagnus, Spratt 25 



