II CONTENTS. 



Page. 



The simnltancnup poparation of barium, ptrontinm, and ralrinm, L. Rohin 225 



Behavior of })li(>spli(irii' acid toward orjiaiiic acids, (>. J)aikuhara 225 



The analysis of silicates by tlie use of fonnic acid, A. Ijeclerc 225 



Diecussion of ash analyses of plants, C. A. ( ioessmann 225 



Determination of carbonic acid in water, F. B. Forbes and (t. H. Pratt 225 



Detection of chlorids, bromids, and iodids, S. Benedict and J. F. Snell 225 



Modification of tiie Avery-Beans metiiod for arsenious oxid, J. K. Haywood.. 225 



Titration with potassium iodate, L. W. Andrews 226 



Chennstry of dyestuffs, G. von Georgievics, trans, by C. Salter 226 



The chemical industry in (Tcrmany, E. L. Harris 226 



Keport of the senior analyst for 1902, Cape of Good Hope, C. F. Juritz 226 



BOTANY. 



Studies in the Cyperacefic, T. Holm 226 



Influence of stiniulants on the resjnration of ])lants, V. Zalyesski 226 



Stimulants of plant growth and their practical application, O. Loew 226 



The toxic effect of H and OH ions on seedlings of Indian corn, F. A. Loew .. 227 



The physiologic^al role of mineral nutrients in plants, O. Loew 227 



Bacteria and the nitrogen problem, G. T. Moore 227 



ZOOLOCiY. 



Audubon societies in relation to the farmer, H. Oldys 228 



Birds in their relations to man, C. M. Weed and N. Dearborn 228 



Birds and man, W. H. Hudson 228 



Birds and horticulturists, H. A. Surface 228 



Birds V. gardening, C. E. Pearson 228 



Two years with the birds on a farm, E. H. Forbush 228 



Handbook of the birds of the United States and C'anada, T. Nuttall 228 



Ornithology, M. W. Doherty 229 



The best method of poisoning small birds, B. C. Aston 229 



I'ood habits of the common garden mole, L. L. Dyche 229 



Annual report of the New York Zoological Society for 1902 229 



The monthly bulletin of the division of zoology, H. A. Surface 229 



METEOROLOGY — CLIMATOLOGY. 



Monthly Weather Review, Vol. XXXI, Nos. 4-6 230 



Storms of the Great Lakes, E. B. Garriott 230 



The climate of Illinois, J. G. Mosier 230 



Wet and dry seasons in California, A. G. McAdie 231 



Rainfall and irrigation, E. A. Beals 231 



Climate of the forest-denuded portion of the Upper Lake region, W. L. Moore. 231 



Psychrometric observations in the forest and in the steppe, N. Adamov 232 



Observations on the humidity of the air, T. O. Frizendorf 232 



Spring frost in the Mediterranean climate, M. Chassant 232 



WATER — SOILS. 



The contamination of public water supplies by algae, G. T. Moore 232 



Potable waters, L. Grandeau 232 



On the rate of movement of underground waters, E. Fournier and A. Magnin. 232 



Analysis of waters and interpretation of the results, J. K. Havwood 232 



The soil, A. D. Hall '. 233 



Report on composition of muskeg soils, H. Snyder 233 



Agricultural soils of the Province de la Union, C. W. Dorsey 233 



Amounts of water-soluble salts in soils under field conditions, F. H. King 233 



The nitrogen compounds of arable soils, G. Andre 233 



Nitrification as dependent upon organic and humified substances, Smirnov. . . 233 



Influence of forest strips on the moisture of the soil 234 



Soil, cultivation, and irrigation, W. Maxwell 234 



Reclamation of alkali lands in Egypt, T. H. Kearney and T. H. Means 234 



FERTILIZERS. 



Influence of application of straws on the yield, D. N. Pryanishnikov 234 



Gypsum as a means of fixing ammonia in manure, S. A. Severin 234 



Sulphate of ammonia and organic nitrogen r. nitrate of soda, P. Wagner et al. . 234 

 Effects of a deficiency of nitrogen, phosplioric acid, or potash, H. Wilfarth 



and G. Wimmer 235 



