n CONTENTS. 



Page. 



Chemical examination of water, sewage, foods, etc., Ptirvis and Hodgson 206 



The determination of carbon by the wet method, Thies 207 



Triketohydrindcne hydrate : Estimates of NH2.COOH group, Herzfeld 207 



The determination of invert sugar in the presence of saccharose, Saillard 207 



Modification of Clerget's method for estimation of sugar in molasses, Stanek. . . 207 



Maple sap products and the Canadian standards, Snell 1 208 



Detection of added water in milk, Mathieu and Ferre 208 



Uniform acidity degree for the testing of milk, Morres 208 



Estimation of the fat content and total soUds in cheese, Klose 208 



New method for determination of zinc in treated wood, Bedford and Pfanstiel. 208 



Apple sirup and concentrated cider: New products. Gore. .^ 209 



Methods followed in the commercial canning of foods. Bitting 210 



Microscopical studies on cotten, Herzog 210 



-^ METEOROLOGY. 



Popular misconceptions concerning the weather. Palmer. 210 



Story of the thermometer and its uses in agriculture, Thiesscn 210 



Variation of radium emanation, Wright and Smith 211 



[Aleteorological observations] O'Connor et al 211 



Weather conditions 211 



Relative reliability of long-time rainfall observations, Millard 212 



Average rainfall in the light of the J^ew Bedford record, Stincman 212 



Rainfall and production, McCook • 212 



SOILS — FERTILIZERS. 



Soil experiments on the level prairies of northeast Missouri, Miller et al 212 



Soil experiments on dark prairies of Missouri, Miller et al 213 



Soil experiments on rolling glacial land of north Missouri, Miller et al 213 



Soil experiments on red limestone upland of southwest Missouri, Miller et al. . 214 



Soil experiments on gray prairie of southwest Missouri, Miller et al 214 



[Soil experiment fields] 215 



Sketch of the geology and soils of the Cahuilla Basin, Free 215 



The colloidal properties of the acid soils of Japan, Tadokoro 215 



How great is the surface of a gram of surface soil? Ehrenberg 216 



The influence of plant roots on the structure of the soil, Berkmann 216 



Gases of swamp rice soils. — II. Utilization, Harrison and Subramania Aiyer.. . 216 



Effect on soil moisture of changes in surface tension of solution, Karrakcr 217 



Effect of different methods of preparing a seed bed for winter wheat. Call 217 



The action of Liquid manure as a nitrogenous fertilizer, Stutzer 218 



Poultry manures, their treatment and use, Brooks 218 



Imports and exports of fertilizer materials 218 



Fertilizer markets 219 



The chemistry of base goods fertilizer, Lathrop 219 



The preparation of fertilizer from municipal waste, Turrentine 219 



Electro-manufacture of nitrates, Adams 219 



Ammonification of cyanamid, Lohnis 219 



Field experiments with nitrogenous fertilizers, Gerlach et al 219 



The action of different nitrogenous fertilizers, Gerlach 220 



Action of common salt in combination with ammonium sulphate, Schneidewind . 220 



The Perils phosphate mines 220 



Double superphosphate, Bernard 220 



Ground limestone for sour soils. Hall 220 



The fertilizer law and rules and regulations for its enforcement, Hite 220 



AGRICULTURAL BOTANY. 



Department of botanical research, MacDougal 220 



Notes on the production of tropical plants, De Wildeman 221 



Obligate symbiosis in Calluna vulgaris, Rayner 221 



Andropogon halepensis and A. sorghum, Piper 221 



Additional evidence of mutation in (Enothera, Bartlett 221 



Cultural bud mutations in subterranean portions of Solanum caldasii, Heckel. . 222 



The effect of salt on the growth of Salicornia, Halket 222 



The total amino nitrogen in the seedlings of the Alaska pea, Thomspon 222 



The significance of sugar in tubers of Solanum tuberosum, Butler 223 



