n CONTENTS. 



Page. 



Quantitative estimation of the salt-soluble proteins in wlieat flour, Olson 808 



An investigation of tho presence of furfurol in cider vinegar, Anderson 808 



Analysis of maple products. — IIF, Range of variation in sirups, Snell and Scott. . 808 



The reductase (fermenlalion rtnluctase) tx-st. Dons 809 



Manufacture and use of unfennented grape juice, Uusmann 809 



Some abnormal factors of so-called farmers' cider vinegars, Diggs 809 



Hop investigations 809 



METEOROLOGY. 



■Report of the chief of the Weather Bureau, 1914 810 



Monthly Weather Review 810 



Wliy some winters are warm and others cold in east United States, Humphreys. . 811 



Predicting minimum temperatures for frost protection. Smith 811 



Climate and meteorology of Australia, Hunt 811 



SOILS — FERTILIZERS. 



Soil erosion in the South, Davis 811 



Analysis of Florida muck soils. Rose 811 



Geography of the soils of Georgia, Merrill 811 



Composition of the soils of the different glacial drift sheets, Alway 812 



Soil survey of Orange County, New York, Crabb and Morrison 812 



Soil analysis 812 



The distribution of swamp land in the Kingdom of Bavaria 812 



Studies of an acid soil in Assam, Meggitt 812 



The colloid chemistry of humus, Oden 813 



Soil colloids and the soil solution, Cameron 813 



Soil water in relation to plant growth, Colebatch 813 



Effects of variations in moisture content on soil and wheat, Harris 814 



The evaporation of water from soil, Keen 815 



Partial sterilization of soil by volatile and nonvolatile antiseptics, Buddin 816 



Increased nitrate content of a soil subjected to temporary dr>ing, Buddin 817 



Ammonification studies with soil fungi, McLean and Wilson 817 



A contribution on tlie nitrogen problem, Scheerlinck 818 



Soil bacteriological investigations 818 



[Soil inoculation] 818 



The results of some experiments with farmyard manure. Berry 818 



Results of two years' work on London Soil E.xperiment Field, Roberts 819 



Peat moors with special reference to the air-nitrogen question, Benetsch 820 



The utilization of peat in Italy, Rossi 820 



German and other sources of potash supply, Macdowell 820 



Investigation of sources of potash in Texas, Phillips 820 



Potash from kelp, Cameron 821 



Radium as a fertilizer, Hopkins and Sachs 821 



Fertihzer inspection 822 



AGRICULTUR.\L BOTANY. 



Plant breeding, Bailey and (Gilbert ". . . . 822 



(Enothira graiulijlora of the herbarium of Lamarck, De Vries 822 



Experimental variations in Tricholoma midiivi, Matruchot 822 



The presence of Orobanchc minor on Pdargonium zonalc, Scheerlinck 822 



Parasitic specialization, Heske 822 



Chondriosomes in fungi, Janssens 822 



Morphology of the barley grain, Mann and Harlan 823 



Direct absorption and assimilation of carbohydrates by green plants, Knudson. 823 



The chloropliyll compounds of the peach leaf. Reed and Stahl 823 



Studies on lycopin and its relations with chlorophyll, Lubiiucnko 824 



Absorption and excretion of electrolytes by Lupinus albus, True and Bartlett. 824 



Absorption and excretion of electrolytes by Lupinus albus, True and Bartlett. 824 



The process of anthocyanin pigment formation. Combes 824 



Relation of transpiration to the composition of white pine seedlings. Bums 824 



Function of water reserves, du Sablon 825 



The translocation of materials in aging leaves. Swart 825 



Anatomical structure of roots under abnormal tension, Jaccard 825 



Effects of compression on root structure, MolUard 825 



