II CONTENTS. 



Page. 



Food inspection metliods of analysis 411 



Preserved vegetables containing copper and its estimation, Brebecli 411 



Tlie gnaiac reaction for determining the qnality of flour, Corsini 412 



Some experiments on the oxidation of flour and milk, Corsini 412 



Behavior of flour to methylene blue and starch paste, Schardlnger 412 



Source of error in use of petroleum ether for fat extraction, Marshall 412 



Experiments on the ^Maumene test and iodin value of oils. Ricliter 412 



Report of agricultural chemical control station of Saxony, 1906, Miiller_- 412 



Unification of terms used in reporting analytical results, Hopkins 412 



A new shaking device for the chemical laboratory. Camp 412 



Apparatus for determinations of fat content in cream, etc., Wendler 413 



METEOROLOGY WATER. 



Monthly Weather Review. : 413 



Meteorological ol^servations, Ostrander and Barry 413 



Climate and soils of Panhandle area [of West Virginia], Grimsley et al_ 413 



Mt. Rose Weather Observatory, 1905-1907, Church, jr 413 



Report of director of [Philippine] Weather liureau for 1904, Algue 413 



Rainfall conditions of South America, Voss 413 



Work of the central meteorological bureau in 1906, Bouquet de la (Jrye.^ 414 



The climate of Sao Paulo, Belfort de Mattos 414 



Correlation of the weather and crops. Hooker 414 



Precipitations, their income and outgo in relation to droughts, Xeruchev_ 414 



Deficient humidity of the atmosphere, Starkey and Barnes 414 



International catalogue of scientific literature. F — Meteorology 414 



Surface water supply of [different regions of the United States), 1906 — 414 



Fresh water, Knauthe 41.^i 



The use of ice on the farm, Ruddick 415 



Water — a hydrologic study, Martel 415 



The principles of water purification, Wachter 415 



Direct and indirect methods of electrical purificatiou of water, Ijefifmann_ 415 



The economical purification of sewage in rural dj,slricts, Starkey 415 



The nature of sewage and its proper disposal, Amyot 415 



SOILS FERTILIZERS. 



The moisture equivalents of soils, Briggs and McLane 416 



Soil fertility. Whitney _ 417 



Field operations of the Bureau of Soils, 1905, Whitney et al 417 



Economic geology of Independence quadrangle, Schrader and Haworth — 418 



Agrogeological studies, Treitz _' 418 



Cultivated soils derived from schists of I 'ont-de-Larn, Tarn, Delage et al_ 418 



A study of the sabak of Upper Egypt, Roche 418 



Composition of ashes and lapilli ejected by Vesuvius in 1906, Passerini_ 419 



Progress in geological peat and moor investigations during 1905 419 



The utilization of i)eat land on .the Coutinent 419 



Chemical investigations on moor soils, Tacke and Spiecker 419 



The mineral constituents of the soil solutions, Cameron and Bell 419 



Studies on humus formation, II, Suzuki 419 



Organic nitrogen in Hawaiian soils, Shorey 419 



Nitrifying power of chernozem soils, and quantity of nitrates in the soil 



at different seasons, Sazanov 419 



Soil bacteriological investigations, Maasscn and Behu 420 



The bacteria of the tubercles of leguminous plants, Maassen and Miiller_ 420 



The bacteria of leguminous plants, Lauvray 420 



Action of carbon bisulphid on bacteria of soils, Maassen and Behn 420 



The effect of desiccation on root tubercle bacteria, Chester 421 



On the action of barnyard manure, Stoklasa 421.422 



The world's production and consumption of mineral fertilizers, Grandeau 422 



History of the fertilizer industry, Rhea 422 



Phosphate production in 1900 . 422 



The third German potash congress, Weiskopf 422 



Problems of applied chemistry. Lunge 422 



The fixation of nitrogen, Whitehouse 423 



