II CONTENTS. 



Page. 



A convenient method for separating iron and alumimim, Borck 313 



•Copper sulphate of commerce and methods for copper, Mach and Lederle 313 



The cupric reducing power of xylose and arabinose, Daish 314 



Estimation of cellulose in flours, Lindet 314 



Apparatus for determining fat in cheese, dry milk, cream, etc., Herramhof . . . 314 



The measurement of diastase activity in plant extracts, Appleman 315 



Estimates of cholesterol by gravimetric and colorimetric methods, Weston 315 



The use of the interferometer in agricultural investigations, Kappen 315 



The burning quality of cigar wrapper. III, Tijmstra 316 



Studies on fruit juices, Gore 316 



When, what, and how to can fruits and vegetables in the home. Carver 318 



METEOROLOGY. 



The rainfall regime of the several States, Wallis 318 



The distribution of the rainfall in the western United States, Wallis 319 



Influence of western yellow pine forest on snow, Jaenicke and Forester 319 



Atmospheric influence on evaporation and its direct measurement, Livingston. 320 



Monthly weather periodicity, Koppen 320 



Influence of the moon on weather 320 



Monthly Weather Review 320 



Ciimatological data for the United States by sections 321 



Meteorological observations at Massachusetts Station, Ostrander et al 321 



SOILS — FERTILIZERS. 



[Soil analyses], Hume '■ 321 



Cola's osmotic theory of edaphism. Cavers 321 



Nature and methods of extraction of the soil solution, Stiles and J^rgenson 322 



The difficulty with which soils are moistened, Ehrenberg and Schultze 322 



The ground water, Grohmann 322 



Water movement in peat, Franklin 322 



Antagonism between anions as affecting barley yields, Lipman and Gericke. . 323 



Antagonism between anions as affecting nitrogen fixation, Lipman and Burgess. 323 



Relation of carbon bisulphid to soil organisms and plant growth 323 



New experiments on alkali soil treatment, Lipman and Sharp 324 



The dead moor on Steinhude Lake, Birk 324 



^Management of marsh soils ". 325 



The results of technical moor utilization. Keppeler 325 



Changes in a sterile sand by cropping, Blanck 325 



Management of sandy soils 325 



Farm manures. Beavers 325 



Farm manure, Olson : 325 



Chemical preservation of manure, Maignen 325 



Manuring of farm crops ._ - 326 



Influence of organic substances on nitrogenous compounds in the soil, Gerlach. . 326 



Conditions of Chilean nitrate industry, Havens 326 



The fixation of atmospheric nitrogen, Landis 326 



Fixation of atmospheric nitrogen, Summers 326 



Is loss of lime from soil increased by kainit? Gerlach and Veckenstedt 326 



Manuring experiments with manganese carbonate in Italy, d'Ippolito 326 



Wool and leather wastes, Russell 327 



A note on the export of manures from India 327 



AGRICULTURAL BOTANY. 



Inorganic plant poisons and stimulants, Brenchley 327 



Toxic effect of iron and aluminum salts on clover seedlings, Ruprecht. 328 



Effect of salicylic aldehyde on plants in soil and solution cultures. Skinner. . . 328 



The decrease of permeability due to certain bivalent cations, Osterhout 328 



The production of anthocyanins and anthocyarddins, II , Everest 329 



Oxidation by catalysts of organic and inorganic origin, Ewart 329 



Cytological studies of Azotobactcr chroococcum, Bonazzi 329 



Physiological studies of Bacillus radicicola of Canada field pea, Prucha 329 



Negative heliotropism of urediniospore germ tubes of Pucdnia rhamni, Fromme. 330 



Flora of Vermont 330 



