II CONTENTS. 



Estimation of undigested protein in feces, E. Rosenberg 1040 



Concerning the composition of lecithin, M. Wintgen and O. Keller 1040 



General f nd physiological chemistry of fats, F. Ulzer and J. Klimont ... 1040 



Concerning the estimation of fat in oil-bearing seeds, F. Ruppel 1040 



Contribution to the examination of butter, M. Siegfeld 1040 



A simple method of determining fat in milk, Kuttner and Ulrich 1040 



Gerber's salt method, C. Beger . 1041 



Gravimetric determinations of total solids in milk, A. Segin 1041 



On the watering of wine and milk, L. Surre 1041 



Collaborative work on tannin analysis, F. H. Small 1041 



Miscellaneous chemical analyses made in 1901, A. M. Peter and L. O. Beatty. 1041 



Miscellaneous chemical analyses made in 1902, A. M. Peter et al 1041 



Miscellaneous analyses, C. H. Jones and F. M. Hollister 1041 



METEOROLOGY — WATER. 



Monthly Weather Review, Vol. XXXIV, Xos. 1,2 1 041 



Meteorological observations 1042 



Meteorological summaries for the year 1901 1042 



Meteorological summaries for the year 1902 1042 



Meteorological observations 1 042 



Meteorological observations, J. E. Ostrander and T. A. Barry 1043 



Meteorological observations at Michigan Agricultural College, 1904 1043 



Swedish meteorological observations, 1904, H. E. Hamburg 1043 



Meteorological observations at Ploti Experiment Station, M. Svolinsky 1043 



Observations at meteorological observatory of Innsbruck, 1902, \V. Trabert. . . 1043 



International Meteorological Conference at Innsbruck 1043 



Japanese meteorological service in Korea and China, S. T. Tamura 1043 



Climatic notes on the Sahara, E. F. Gautier 1043 



Texas rainfall during 1905 1044 



Rainfall in the agricultural districts, G. G. Bond 1044 



Relation of forests to rainfall, W. F. Hubbard 1 044 



Forests and rainfall in Silesia, J. Schubert 1044 



Prevention of damage by frost, R. P. Skinner 1044 



Cloud studies, A. W. Clayden 1044 



Cloud formation in the Alpine valleys, H. von Ficker 1044 



Apparatus for observing and recording storms 1044 



Possible extension of the period of weather forecasts, E. B. Garriott 1045 



Public water supply of Ohio 1045 



Sources of water supply in Wisconsin, W. G. Kirchoffer 1045 



The biology of water bacteria, E. Kohn 1045 



Experiments with copper-iron sulphate for water purification at Marietta, Ohio. 1046 



SOILS — FERTILIZERS. 



Soils, T. Dietrich and F. Honcamp 1046 



Mechanical analysis of soils, J. A. Murray 1046 



A chemical study of some Oregon beaver-dam soils, C. E. Bradley 1046 



Report on the soils of Dorset, J. Percival 1017 



Loess soils and loess marls, Halenke, Kling, and Engels 1047 



Fertilizer requirements of Hessian soils, E. Haselhoff 1047 



Retention of bases by the soil, A. D. Hall and N. H. J. Miller 1048 



Investigations on changes in the nitrogen of soils, F. Lbhnis 1048 



Report of chemical laboratory of Ploti Experiment Station, B. M. Welbel 1049 



Some field notes on soil inoculation, H. N. Starnes 1049 



Soil inoculation for legumes from artificial cultures, C. D. Woods and J. M. 



Bartlett 1050 



Experiment with Moore's cultures of nitrogen-fixing bacteria, V Peglion 1050 



Nitrification of organic matter applied to soil in form of sewage, G. Masoni. .. 1050 



Experiments in nitrogen-enrichment of soils, F. T. Shutt and A. T. Charron. . 1050 



A new nitrogenous manure, J. Hendnck 1051 



Conversion of atmospheric nitrogen into nitric acid, L. Grandeau 1051 



Chemistry and the world's food, R. K. Duncan 1051 



Nitrogen requirements ot crops, L. Grandeau 1051 



Fertilizers. E. Haselhoff 1051 



Commercial fertilizers, G. Roberts 1051 



