II CONTENTS. 



METEOROL< >GY — WATER. 



Page. 



Summary of weather data, 1894-1904, G. A. Crosthwait 337 



Weather data, 1903-4; summary for eleven years, 1894-1904, G. A. Crosthwait. 337 



Meteorological observations, J. E. Ostrander and C. H. Chad wick 337 



Meteorological observations, G. ( Jinestous - - 337 



Meteorological and magnetic observations, L. Gangoiti ,---;-- 33 ^ 



Routes of highand low pressures and changes resulting from them, R. A. Edwin. 337 



Barometer and weather, van Bebber 338 



Investigation of the upper atmosphere by means of kites, W. N. Shaw et al.. 338 



General movements of the atmosphere in winter, P. Garrigou-Lagrange 338 



Use of cannons and bombs as means of protection against hail, H. Dufour 338 



Bacteriological examination of water and cisterns, L. L. Lewis et al 338 



Miscellaneous water analyses, A . ( i. Ford - - . . 339 



Filtration and sterilization of water, H. Pillaud 339 



Action of cupric sulphate upon bacterial life in water, H. Watkins- Pitch ford. . 399 



Use of barium carbonate for the purification of water, E. E. Basch 339 



Sterilization of water by calcium peroxid, L. Freyssinge and R. Roche 340 



SOILS FERTILIZERS. 



Studies on properties of an unproductive soil, B. E. Livingston et al 340 



A method for the mechanical analysis of soils, T. Crook 340 



Mechanical analyses of soils and subsoils by centrifugal action, J. R. Kilroe.. 341 



Soil moisture investigations for 1904, J. D. Tinslev and J. J. Vernon 341 



Soil temperatures 1903-4, G. A. Crosthwait 342 



Diffusion in acid and neutral media, particularly in humus soils, H. Minssen. 342 



Experiments in fertilizing chernozem, V. V. Wiener 342 



Soil bacteriological studies, J. G. Lipman 342 



The formation of nitrates in the soil, W. A. Withers 344 



Investigations relative to use of nitrogenous materials, E. B. Voorhees 344 



Decomposition of lime nitrogen, F. Lohnis 345 



Utilization of peat in the manufacture of ammonium sulphate, A. Doudlet 345 



Loss of substances useful as plant food in moss manure, T. Macfarlane 345 



The agricultural value of sodium salts, H. J. Wheeler and G. E. Adams 345 



Analyses of commercial fertilizers, M. A. Scovell et al 346 



Analyses of fertilizers and Paris green, W. C. Stubbs and C. H. O'Rourke 347 



Inspection and analyses of commercial fertilizers, W. F. Hand et al 347 



Analyses and valuations of fertilizers, J. P. Street et al 347 



AGRICULTURAL BOTANY. 



Physiological investigations on young shoots of the grape, E. Griffon 347 



Role of hydrocyanic acid in green plants, M. Treub 347 



The assimilation of leucin and tyrosin by plants, L. Lutz 348 



Assimilation of organic nitrogenous substances by plants, L. Lutz 348 



Comparative assimilability by plants of ammoniacal salts, amins, etc., L. Lutz. 349 



FIELD CROPS. 



Report of Alaska Agricultural Experiment Stations for 1904, C. C. Georgeson. . 349 



Annual report of Hawaii Experiment Station for 1904, J. G. Smith 350 



Annual report of Porto Rico Experiment Station for 1904, D. W. May 351 



Cooperative experiments in agriculture, C. A. Zavitz ' 351 



Report on the manuring of seeds hay, 1904, W. Allan 352 



Culture and fertilizer tests on heath soils, B. Hardt 352 



Soiling crops, 1904, G. A. Billings 353 



Alfalfa in Michigan, C. D. Smith 354 



Legumes other than alfalfa, C. I). Smith . . 354 



Trials with alfalfa, J. H. Shepperd 355 



Experiments in clover growing, J. H. Shepperd 355 



Corn. Field tests, J. N. Harper. 356 



Experiment station work in corn culture, J. I. Schulte 356 



Soil improvement for the Illinois corn belt, C. G. Hopkins 356 



Comparative merits of varieties of oats, 1903-4, R. B. Greig and J. Hendrick. 357 



Varieties of potatoes, W. Bruce 357 



Txie manuring of swedes and potatoes, 1904, C . B. Jones 358 



