CONTENTS. Ill 



Page. 



Drinking water from the standpoint of physiology and hygiene, T. Kas- 



parek V 657 



The present status of soil investigation, C. G. Hopkins 657 



Field operations of the Bureau of Soils, 1902 (fourth rejiort), M. Whitney et al. 658 

 Soil survey from Arecibo to Ponce, Porto Rico, C. W. Dorsey, L. Mesmer, and 



T. A. Caine 658 



Washington soils, E. Fulmer 658 



Ground temperature observations at IManila, 1896-1902, J. Algue 659 



Alkalinity of soils and its effect on the growth of cereals, V. Peglion 659 



Are soluble iodids absorbed by the soil? S. Suzuki 659 



Guide to the scientific study of soils, F. Wahnschaffe 659 



FERTILIZERS. 



The fertilizer value of various nitrogenous fertilizers, A. von 'Sigmond 659 



The methods of exact field manurial trials 660 



The fermentation of boengkil, H. A. C. Van der Jagt 660 



The management and use of barnyard manure, A. Stutzer 661 



On green manuring liglit land, T. S. Dymond and B. W. Bull 661 



Manures in the Natal market, season 1903, A. Pardy 661 



The menhaden industry 661 



Atmospheric nitrogen for fertilizing purposes, F. H. Mason 661 



Fertilizers and amendments for soils deficient in lime, T. Bieler 661 



The mineral industry: Its statistics, technology, and trade for 1902 661 



The potash deposit in the Werra district, C. Bauer 66^^ 



The conversion of mixed crude potash salts into potassium chlorid, C. Bauer.. 663 



Commercial fertilizers, E. H. Jenkins et al 663 



Analyses of conunercial fertilizers, ^I. A. Scovell and H. E. Curtis 663 



Analyses of commercial fertilizers and manurial substances, C. A. Goessmann. 663 



Commercial fertilizers, H. J. Wheeler et al 663 



FIELD CROPS. 



Cooperative field experiments, 1902 664 



The Essex field experiments — on tillage crops, T. S. Dymond and B. W. Bull. . 664 



Cooperative fertilizer experiments with potash in Alsace-Lorraine, A. Wolf.. 665 



Cooperative experiments in top-dressing grass land, H. J. Wheeler 665 



Composition of the oils in the seed of various plants, V. Jones 665 



The content of f(jdder l)eets at different stages of growth, J. A. Le Clerc 665 



Culture experiments with red clover from different countries, Gisevius 665 



Indian corn in Argentina: Production and export, F. W. Bicknell 666 



Cowpea experiments, C. L. Newman 666 



Flax experiments, 1902 667 



Experiments with oats and barley, R. S. Seton 668 



Influence of lime and marl on potatoes, Ulbricht i 669 



San.sevieria, O. W. Barrett 669 



Soy bean, N. Ssemenow 669 



Influence of environment upon composition of the sugar beet, 1902, H. W. 



Wiley 670 



Method of harvesting sugar beets, Rieger 671 



Seedling and other canes at Barbados in 1903, D. Morris 671 



p]xperiments on wheat, R. H. Biffen 671 



Wheat on the experimental fields of Grignon in 1902, P. I'. Deh^rain and 



C. Dupont 672 



HORTICULTURE. 



Influence of lime upon jjlant growth, II. J. Wheeler and G. E. Adams 672 



A home vegetaV)le garden in the Palouse country, S. W. Fletcher 673 



Vegetables under cheese cloth, W. T. Macoun .'. 673 



Culture of vegetable crops in the market and home gardens, W. F. Massey... 674 



The vegetable garden, J. E. ]\Iorse 674 



Kitchen and market gardening, L. Bussard 674 



A Pennsylvania celery farm: Heavy fertilizing in a swamp 674 



Peas in pots and frames with varieties, G. Wythes 674 



The genus Phaseolus; its garden varieties, Denaiffe 674 



Introduction of foreign varieties of fruit for the Northwest, H. C. Price 674 



