II 



CONTENTS. 



Page. 



Coal asli, .1. W. ( 'ohb 748 



C'oiui'iiiinjr fats, A. I'artlieil and F. Ferii^ 748 



Coiut'iiiinf,' the constituents of unripe St. John'H bread, L. Rosenthaler 748 



The analvsis of liexon l»ases, A. Kossel and A. J. Patten 748 



The clien'iistrv of wiieat •j;hiten, (i. (t. Nasmith. . .^ 748 



i'roteids: A c^ntrihution to the subject, II, F. Kutscher . . . .^ 749 



Concerniu),' the i)recii>itation of pure glycogen, Z. Gatin-Gruze\v.ska 750 



On a new pnxhict of the autodi<restion of pancreas, F. Bauni 750 



New studies on scatosine, R. K. Swain 750 



T.OSS of nitrojren from urine by evaporation, Biirki 750 



I'liospliorous constituent of plant seeds, E. Schnlze and E. Winterstein 750 



Lecithins j.repared from i)lants, E. Schulze and E. Winterstein 750 



Investi^'ution of tlie seeds of Foli/gala apopckda, E. W. Hilgard 750 



Miscellaneous analyses, G. E. Colby 750 



Rei>ort of the agricultural eliemical institute at Bern, 1902 750 



Report of the agricultural chemical institute at Zurich, 1902 750 



Annual rejiort of the agricultural experiment station of Mauritius, 1902 751 



Laboratory manual of physiological chemistry, R. W. Webster and W. Koch. 751 



Directions" for laboratory 'work in physiological chemistry, H. C. Jackson 751 



A back-pressure valve for use with tilter pumps, R. N. Kofoid 751 



BOTANY 



Economic botany, H. M. Hall 751 



Distril)ution of seeds, plants, and cuttings, E. J. Wickson 751 



The economic garden, A. Y. Stubenrauch 751 



Relation of soil to the distribution of vegetation, E. B. Livingston 751 



The taxonomic value of the sperm ogonium, J. C. Arthur 752 



Limits of endurance of farm crops for certain injurious substances, ¥. B. 



Guthrie and R. Helms 752 



Enzvm-secreting cells in the seedlings of maize and dates, H. S. Reed 752 



The'histology of insect galls, M. T. Cook 752 



Symbiosis in Lolium, E. M. Freeman 752 



On a culture of buckwheat in the presence of a mixture of alg;e and bacteria, 



Bouilhac and Giustiniani 753 



The chemical stimulation of algfe, E. B. Livingston 753 



Effect of chemical irritation upon the respiration of fungi, Ada Watterson 753 



ZOOLOGY. 



A list of the genera and families of mammals, T. S. Palmer 753 



Wonder horses and Mendelism, C. B. Davenport 753 



The feeding habits of Sorex vulgaris, G. Rorig 753 



Rats in Martinique, P. des Grottes 754 



Experiments in destroying mice in barns and mows, 8. S. Mereshkowsky 754 



Studies on the economic importance of insectivorous birds, G. Rorig 754 



The relation of insectivorous birds to fruit growing, J. P. Fort 754 



The economic value of our native l>irds, H. A. Surface 755 



Food of birds with special reference to hawks and owls, G. Rorig 755 



Report of A. O. U. committee on protection of birds, W. Dutcher 755 



METEOROLOGY — CLIMATOLOGY. 



Climatology of California, A. G. McAdie 755 



Climatic conditions at California substations, A. V. Stubenrauch 755 



Meteorological observations, A. O. Leuschner et al 755 



Meteorological observations at the Michigan Agricultural College for 1902 756 



Meteorological records for 1902 756 



Meteorologj'^ 7,56 



Variations in the transparency of the atmosphere 756 



Forests in relation to rainfall and the conservation of moisture, J. H. Maiden. . 756 



AVATER — SOILS. 



Analyses of waters, G. E. Colby 756 



On investigations on drinking w^ater, O. von Czadek 757 



Water supplies in the Black Hills of South Dakota, Ellen H. Richards 757 



The water supplies of southeastern Alaska, Ellen H. Richards 757 



