II CONTENTS. [Vol. 37 



Page. 



Application of cryoecopic method for determining added water in milk, Keister. 804 



The determination of fat in certain milk products, Francis and Morgan 805 



The estimation of unsaponifiable matter in oils, fats, and waxes, Wilkie 805 



Thermal values of fats and oils. — II, Sulphuric acid number, Harden and Dover. 805 



The pasteurization and biorization of fruit juices, Baragiola 805 



Aldehydes in ■wine, Laborde 806 



Chemical composition of "separated musts," Baragiola and Kleber 806 



Sauerkraut industry of the United States, Round and Coppersmith 806 



Utilization of frozen and decayed potatoes, Schribaux 806 



A moderate-sized evaporator for fruits and vegetables, Barss. 806 



The natural coagulation of the latex of Eevea brasiliensis, Denier and Vemet . . 806 



More about rice hull carbon, Zerban 806 



Local processes of coconut oil extraction in the Philippines, Gardiner 806 



METEOROLOGY. 



Monthly Weather Review 807 



Free-air data at Drexel Aerological Station — April-June, 1916, Blair et al 807 



Meteorological observations at Massachusetts Station, Ostrander et al 807 



New England snowfall, Brooks 807 



Summer t^'pes of rainfall in upper Pecos Valley [N. Mex.], Hallenbeck 808 



Showers ol organic matter, McAtee 808 



The cold spring of 1917, Day 808 



SOILS — FERTILIZERS. 



Relation of soil water movement to hygroscopicity, etc., Alway and McDole . . 808 



Origin of alkali, Stewart and Peterson 809 



A preliminary soil census of Alabama and west Florida, Harper 810 



Soil survey of the Ilealdeburg area, Cal., Watson et al 810 



Soil survey of Cumberland Coimty, Me., Van Duyne and Beck 810 



Characteristics of Massachiusetts peat lands and their usee, Dachnowsld 810 



The oxidizing power of some soils in Deli, Honing 811 



Variation in the chemical composition of soils, Robinson et al 811 



A soil sampler for bacteriological and chemical purpasos, Keller 811 



Influence ot available carbohydrates on ammonia accumulation, Waksman 812 



Effect of parafhn on accumulation of ammonia and nitrates in soil, Gainey 812 



Nitrates and nitrification in relation to cultural practices, Noyee 813 



A program of soil improvement for New York State, Fippin 813 



Barnyard manure and products of decomposition, Murphy 813 



Manure from the sea, Jenkins and Street 813 



The value of coconut poonac as manure, Bamber 814 



Experiments withhumogen, Sutton 814 



The industrial chemist and the fertilizer crisis. Lint 815 



The effect of ammonium sulphate on eoil aridity, Allison and Cook 815 



The fixation of atmospheric nitrogen, Florentin 815 



Some conditions affecting value of calcium cyanamid as a manure, Mosscrop. . 815 



The value of Thomas slag phosphate for neutralizing soil. Hart well et al 815 



The rate of reversion of mixtures of superphosphate, Robertson 816 



Phosphate rock in 1916, Stone 816 



PotaMi in agriculture. — III, Further researches, Aston 817 



The recovery of potash from beet sugarhouse waste liquors, Zitkowski 817 



Concentrated potash a by-product of cement mill 817 



The possibiUties of developing an American potash industry, Meade 818 



A key to the soil for better crops is soluble ground Limestone 818 



Lime report, 1916, Kellogg et al 818 



Fertilizer report, August^l to December 31, 1916, Kellc^ 818 



AGRICULTURAL BOTANY. 



The botany of crop plants, Robbins 818 



Important range plants: Their life history and forage value, Sampson 818 



Inventory of seedsand plantsimported from January 1 to March 31, 1914 819 



Inventory of seeds and plantsimported from April 1 to June 30, 1914 819 



Inventory of seeds and plantsimported from July 1 to September 30, 1914 819 



New* or noteworthy plants from Colombia and Central America, VI, Pittier — 819 



The Middle American species of Lonchocarpus, Pittier 819 



