n CONTENTS. [Vol.40 



Page. 



An automatic distributor for Dakin's solution , Strong 12 



Preparation of Dakin's solution from Iiauid chlorin, Benedict L3 



The manufacture of chloramin-T, Inghs 13 



Preparation of perchloric acid from rjerchlorates, Vurtheim 13 



II S( ) 4 determination in presence of phosphoric acid, von Fellenbere 13 



The identification of arias of agricultural products, Rather and Reid 13 



Determination of aridity in flour, von Fellenberg 13 



The determination of cellulose in wheat, Hasenfratz 11 



The bacteriology of peanut butter and arachis oil, Hall and Van Meter it 



Contribution to examination of honey by precipitin method, Kr< is 11 



Determination of lactose and sucrose in milk chocolate, von Fellenberg 11 



Mii rosropic examination of tomato pulp, Bigelow and Donk 11 



Contribution to the study of commercial teas, Pierotti it 



Cinnamon of inferior quality. — A colorimetric method, von Fellenberg 15 



Colorimetric method for vanillin in vanilla, von Fellenbere l"> 



Met hud for alcohol in liquors. Nagendra Chandra Nag and Panna Lai i"> 



The detection of methyl alcohol by the D^niges method, von Fellenberg L5 



The colorinietrir estimation of cholesterol in Blood. Myers and Wardell 15 



Methods f<>r phosphoric acid in small amounts of blood, Bloor L6 



New volumetric method for uric arid in Id 1, Curt man and Lehrman 16 



Color laboratory of Bureau of Chemistry.- Objects and problems, Gibba L6 



Photograph ic sensitizing dyes, Wise and A < Ian is i»; 



Natural ayestuffs: An important factor in dyestuff situation, chap in L6 



Mann far I me, u-e, and newer developments of oatural dyestuffs, Dekmey. . . . L6 



Production of acid phosphate from creamery waste Bulphuric acid, Carr L6 



The ])re]>aration of xylose from corncobs, Hudson and Harding 17 



Preparal ion of sev< ral useful substances from corncobs, LaForge and Hudson.. 17 



\V(M)d wa.-te as a source of ethyl alcohol, Tomfinson 17 



Factory investigation on manufacture of tomato pulp and paste, Howard 17 



1 trying and serving fruits and vegetables in the home, Vincenl and Hoover. . . 17 



nation of food 18 



■ »] OOT. 



climate in relation to crop adaptation in New Mexico, Linney and ( L8 



Agricultural meterology. Smith 19 



Cumatologica] data for the United States by bo Lions lit 



Free-air data al Drexel Serological Station, July-December, in 17, I ... 19 



|( observations on aerology] L9 



Meterological summary, 1916 L9 



Annual report of the [Philippine] Weather Bureau, 1916 19 



Substances dissolved in rain and buow, Shippee and Fordyce 19 



SOU s — FEBTTJ l/l i: 



Soils of southern New Jersey and their uses, Bonsteel L9 



( Observations aboul the Boils of the northeast Indian tea districts, Hope l'h 



Relationship between unfree water and heat of wetting of soils, Bouyoucos 20 



The effect of drainage on soil acidity, < !onner 



Phosphoric acid and potash requirements of meadow Land, Liechti and Ritter. 22 



Soil aldehydes, Skinner 



Non-porsisten<e of Inicterio-toxins in the soil, Hutchinson and Thaysen 



The destruction of vanillin l>y soil bacteria. Bobbins and Elizando - 1 



Influence of potsherds on nitrification in alluvium, Jatindra Nath Sen 2 1 



The use of green manures, Schribaux and Bre'tigniere - 1 



The fanner and the dung heap '-'1 



Fertilizers after I he \\ ar, Russell 24 



The nitrogen problem in relation to the ¥ ar, Noyes 



Storage of sulphate of ammonia on farms 



Utilization of phosphate deposits of Australia, Paterson 25 



Fertilizer potash residues in Hagerstown silty loam soil, Frearand l"rl> 25 



Tot ash situation growing serious, Randall 28 



The potassium problem and the utilization of olive oil residue, L'Abage 



Production of Lime in 1917 



Analyses of commercial fertilizers, Brackets and Stackhouse 26 



