CONTENTS. Ill 



METEOROLOGY — WATER. 



Page. 



Meteorology. — Part 1, Statistical meteorology, Klossovskii 312 



The correlation of climatic variations, Arctowski 313 



Extreme winters and summers 313 



On Lockyer's 35-year period in the solar activity, Easton 313 



The appearance and return of cold waves. Less 314 



Variations in climate, Bruckner 314 



Local forecasting by differences in temperature, McLeod and Barnes 314 



The prediction of periods of good weather 314 



Observations on air currents by means of pilot balloons, Bomstein 314 



Comparisons of various forms of hygrometers, Starkey and Barnes 314 



Atmospheric electricity, Thomson 314 



Annual report of the director of the [Philippine] Weather Bureau for 1907 314 



Meteorological observations 314 



Meteorology (of British Guiana], Bartlett 314 



Roumanian agricultural climatography, Prager 315 



Evaporation in Egypt and the Sudan, Keeling 315 



The rains of the Nile Basin and the Kile flood of 1 007, Lvons 315 



Rainfall in Italy ". 315 



The fertilizing Aalue of rain and snow, Shutt 316 



Water systems. Chase 316 



Well waters from farm homesteads, Shutt 316 



The Charlottenburg sewage field and its industrial importance, Geissler 316 



SOILS — FERTILIZERS. 



Soils, Vageler 317 



General soil and plant culture, Hoffmann 317 



Report of the Vienna Agricultural Experiment Station for 1908, Bersch 317 



The present status of soil bacteriology, Fischer 317 



The organisms of the soil, Schwarz 317 



Bacterial population of soils from Obdorsk and Yamal Peninisula, Severin 317 



Weathering of rocks under the influence of humus substances, Nikiforov 317 



The decomposition of green manuring plants in the soil, Lemmermann et al. . 318 



Nitrification from the biological side, Makrinov 318 



On the decomposition of nitrates by bacteria, II, Severin 319 



On the decomposition of nitrates by bacteria. III, Severin 319 



Inoculation of an old cultivated soil with nitrogen bacteria, Blandov 320 



Tubercle bacteria and clover sickness, Budinov 320 



Importance of physical studies of the soil, Roche 320 



The proportion of mineral constituents in granitic soils, Perret_ 320 



Soils, Shutt 321 



The soil conditions of the Mkatta steppe, Vageler 321 



Studies of the physical properties of the soils of Upper Egypt, Roche 321 



A long-period variation in height of ground water in dunes of Holland, Dubois. . 322 



Improvement of peat soils and their chemical and physical composition. Hitler. 322 



Ireland's bogs and moor lands: Their treatment for tillage, Ryce 322 



The manuring and improvement of moss land 322 



Manuring of black f enland 322 



Soil management, Keyser 322 



Plant food: Its sources, conservation, preparation and application, Bowker. . 322 



Is liberal fertilizing likely to prove injurious? Clausen 322 



The use of fertilizers in Spanish agriculture, De Hera 323 



Alpine fertilizer experiments in Carinthia, 1907-8, Svoboda 323 



The season and chemical fertilizers. Mares 323 



Preparation of nitrate of soda from the air and sea water, Binaghi 323 



The present status of the manufacture of nitric acid from the air, Russ 324 



The agricultural value of dried superphosphate, De Molinari and Ligot .324 



The utilization of tricalcium phosphate by Cruciferse, Ravenna and Zamorani . 324 



Kainit and silicate of potash, Clausen 324 



Field experiments with phonolite and humus silicic acid, Hiltner and Lang. . 324 



Phonolite as a fertilizer, Popp 325 



Fertilizing materials, Shutt 325 



Utilization as fertilizer of tomato-cannery refuse, Accomazzo 325 



The utilization of night soil 325 



