II CONTENTS. 



Page. 



Determination of water-soluble arsenic in lead arsenate, Scholz and Waldstein. 616 



Inadequacy of ferric basic acetate test for acetates, Curtman and Harris 617 



Gluten, Arj)in 617 



Determination of pentoses and glutose by Fehling's solution, Pellet 617 



The quantitative estimation of dextrose m muscular tissue, Hoagland 617 



Determination of sugar in liay and tiunips, Kristensen 618 



Determination of alkalinity and phosphoric acid content of foodstuffs, Kolthoff . 618 



Specifications for testing milk and cream for butter fat, Hunziker 618 



Shrewsbury and Knapp process for coconut oil, Elsdon and Bagshawe 618 



Observations and experiments on the preparation of tea, Deuss 619 



METEOROLOGY. 



Forecasting the seasons, McAdie 619 



Climatological data for the United States by sections 619 



Meteorological observations at Massachusetts Station, Ostrander and Saunders. . 619 



The meteorology of Brazil, Delgado de Carvalho 619 



The rainfall n'gime of Indo China, Le Cadet 620 



Dissolved oxygen in rain water, Richards 620 



The coeflScient of correlation, Reed 621 



SOILS — FERTILIZERS. 



Soil survey of Barbour County, Ala., Smith, Bell, and Stroud,, 621 



Soil survey of Chickasaw County, Miss., Jones et al 621 



Soil survey of Anson County, N. C, Vanatta and McDowell 621 



Analyses of soils of Belgian Kongo by the physiological method, Smeyers 622 



The wheat soils of Alexandria division, Cape Pro\'ince, Juritz 622 



Some soils of New Zealand, with special reference to lime requirements, Wild. . 622 



Causes of acidity of soils which are acid through exchange of ions, Kappen 623 



Movement and distribution of moisture in the soil, Hams and Tuirpin 623 



Adsorption by soils, Harris 624 



Results of soil fertility studies, WilUams 625 



Thirty-five years' results with fertilizers, Gardnerj Noll, and Baker 626 



Injiu-ious effect of manure on balance of nitrogen m the soil, Sabashnikov 627 



[Manure conservation experiments], Woods 628 



Effect of phosphoric acid on decomposition of sugar in the soil, Herke 628 



The potash question and general farm crops, Blaar 629 



Potash in New Zealand and other countries, Morgan 629 



A discussion concerning the rational use of lime on the farm 629 



Notes on humus, humogen, and its accessor^' plant food substances, Stead 629 



The plant food materials in the leaves of forest trees, Serex, jr 629 



Fertilizers and industrial wastes, Brown 630 



Analyses of fertilizers 630 



Fertilizer analyses 630 



AGRICULTURAL BOTANY. 



International catalogue of scientific literature. M — Botany 630 



[Some investigations in tlie department of experimental evolution] 630 



Wild flowers worth knowing, Blanchan, adapted by Dickinson 630 



Fungi from Val d'Aosta, Saccardo 630 



Fungi causing discolorations in paper, S^e 630 



On Stigeospomim marattiaceanim a.nd the myconlnzsioi the Marattiaceae, West. 630 



Chemical conditions for development of reproductive organs in yeasts, Saito. . . 631 



Microchemical studies in progressive development of wheat plant, Eckerson 631 



The physiological role of calcium in vegetable life, Robert 631 



The influence of some organic substances on plants, 1 , Ciamician and Ravenna. 632 



Experiments demonstrating mechanism of inhibition of growth, Loeb- 632 



Studies in permeability, IV, Stiles and Jorgensen 632 



Osmotic concentration of sap of leaves of mangrove trees, Harris and Lawrence. 632 



Origin of chromoplasts and mode of formation of pigments, Guilliermond 632 



The anthocyanin pigments of plants, Wheldale 633 



Environmental influences on nectar secretion, Kenoyer 633 



The consequences of precocity in spring vegetation, 1916, Opoix 633 



Fruit injury during the fumigation of citrus trees, Woglum 634 



The history and legal phases of the smoke problem, Johnson 634 



