CONTENTS. Ill 



Page. 



The changes in the nitrogen in soil, Kruogcr 716 



InHuence of carbon l)isinlphid on nitrogen transformations in the soil, Scher[H'. 716 



New facts aljout bat'tci-ia of California soils, Lipman 716 



The fixation of the free atmospheric nitrogen by micro-organisms, Christensen . 717 



B(U'lllii>t innylobacler, Bredemann 717 



INIanganese in soils and in plants, Boname 717 



Humus — its imi)ortance to soil fertility and its use with lime, Hoff 717 



A contribution to Volger's tlieory of the formation of soil water, Kriiger 717 



Soil mulches for checking evaporation, Fortier 717 



Peat and swamp lands, I'ratt 717 



The drainage and value of peat lands for agriculture. Woodward 717 



Swamp lands and their reclamation, Wilson 717 



Soil survey of Dubois, Perry, and Crawford counties, Indiana, Shannon 718 



Soil survey of Daviess County, Snider 718 



Surface geology of Michigan, Lane 718 



Results of analyses of cultivated soils, Villasenor 718 



The soils of Nevis, Watts and Tempany 718 



Notes on the soils of Bengal, JNIookerjee 718 



Physico-chemical properties of Russian black soil, Kuriloff 718 



The value of the present-day soil analysis, Bloch and Hoffmann 718 



Soil testing, Taylor 719 



How can the farmer maintain the fertility of the soil? Hopkins 719 



Fertilizers and manures. Hall 719 



Artificial manures, Ville, revised by Crookes and Percival 719 



]Mineral fertilizers in 1908, Grandeaii 719 



Losses of manurial constituents in farmyard manure during storage. Berry . . . 120 



Investigations on nitrogenous fertilizers, 1898-1907, A-'oorhees and Lipman . . . 720 



On the consequence of nonfusion of nitrate of soda in the soil, Demolon 720 



The action of sulphate of ammonia on light sandy soils, Imelmann 720 



The use of sulphate of ammonia on sandy soils, Bachmann 720 



The production of ammonium sulphate in 1908, Atwater 721 



Manufacture of saltpeter, Drummond-Hay 721 



The new nitrogen manures, von Feilitzen 721 



Importance of nitrogen fixation from the standpoint of technical chemistry . . 721 



Nitrated limestone of North Caucasus, Glasenapp 721 



Notes on nitrate of soda, De Ruijter de Wildt 721 



Ammonia and nitrate in potash deposits, Biltz and Marcus 721 



The occurrence of potash salts in northern Chile, Setz, Goldenberg, and Torres. 721 



The discovery of deposits of potash salts in Ui^per Alsace, Grandeau 721 



Soil potash, Fraps 721 



Orthoclase, mica, and nepheline as sources of potassium, Prianishnikov 722 



Influence of calcium carbonate and ammonium sulphate on the assimilation of 



phosphoric acid [by plants] fioin different sources, Prianishnikov 722 



Fertilizer experiments with increasing amounts of Thomas slag, Imelmann . . 722 



Phase relationships of the calcium phosphates, Bassett, jr 723 



A new deposit of phosphate of lime, Chavard 723 



Phosphate 723 



The mineral phosphate industry, Aguillon 723 



The manufacture of superphosphates, Schucht 723 



The formati(jn of oceanic salt deposits, \'an't Hoff 723 



On catalytic fertilizers, Bertrand 723 



The fertilizing value of peat, Haskins 723 



Composition of volcanic clay from Java, Van Bemmelen 723 



The use of molasses as a fertilizer, Boname 724 



Annual report on fertilizers, Ross 724 



Inspection and analyses of commercial fertilizers, Hand ct al 724 



Commercial fertilizers and poisonous insecticides in 1908-9, Fraps 724 



AGRICULTURAL HOTANV. 



Plantfood removed from growing plants by rain or dew, LeClercand P>reazeal((. 724 



The transpiration in young seedlings, Bergen 725 



Vitality and th(_> transmission of water through the stems of plants, Dixon . . . 725 



The absorption of water by seeds, Atkins 725 



The temporary suspension of the vitality of certain sei'ds, Beccjuerel 726 



The green coloring matter of the inner seed coats, Monte verde and Lubimenko. 726 



