n CONTENTS. 



Page. 



About Comalba's figures in milk examinations, Leperre 206 



Total solid and ash content of milk from cows with mastitis, Chretien 206 



About international methods for judging milk, Barthel and Jensen 206 



Hygienic investigation of market milk, Gooren 207 



Leather investigations, Veitch and Rogers 207 



Sisal, McGeorge 208 



Methods of manufacture and their influence on the maple product, Bryan 208 



Cider sickness, Barker and Hillier 208 



Bacteria in wines and the changes produced, Muller-Thurgau and Osterwalder 209 



The yearly reports of the society of alcohol manufacturers of Germany 209 



METEOROLOGY — WATER. 



Report of the Chief of the Weather Bureau, 1912 209 



Climatic measurements, Schollander 209 



Climatic measurements, Schollander and Whitcomb 209 



The fertilizing value of rain and snow, Shutt 209 



Geology and underground waters of north-central Texas, Gordon 209 



Surface water supply of Seward Peninsula, Alaska, Henshaw, Parker, et al. . . 210 



The water supply of farm homesteads, Shutt 210 



The purification of public water supplies, Johnson 210 



SOILS — FERTILIZERS. 



Soils, McGeorge. 210 



Soil tank investigations, Collison 211 



Tank experiment for 1910, Schollander 211 



Moisture conservation by tillage and cropping, Schollander and Whitcomb. . . 211 



Nitrogen enrichment of soils, Shutt 211 



The intensity of nitrification in arid soils, Stewart 211 



The fixation of nitrogen by so-called zeolites, Wiegner 211 



On the relation of plants to soils, Canavari 212 



The plant as indicator of relative density of soil solutions, Lyon and Bizzell . . . 212 



The action of frost on soils, Ehrenberg and von Romberg 212 



Sunlight, McGeorge 212 



Maintenance of soil fertility: Plans and summary tables 213 



The relation of fertilizers to soil fertility, Guthrie 21.3 



Importance of place in rotation at which fertilizers are applied, W^arren 213 



Some business questions in the interpretation of fertilizer tests, Wan-en 213 



Practical suggestions about the purchase of commercial fertilizers, Voorhees. . . 213 



Yearbook of fertilizers and chemical products used in agriculture, Lambert. . . 213 



Importance of the South in the production and consumption of fertilizers 213 



Tests with four nitrogenous manures 213 



Calcium nitrate, Dafert and Miklauz 214 



Norwegian nitrate, von Seelhorst and Simmermacher 214 



Burkheiser salt, a nitrogenous fertilizer, Wieler 214 



The use of phosphates in Victorian agriculture, Paterson and Scott 214 



Occurrence of potassium salts in salines of United States, Turrentine et al 214 



The extraction of potassium salts from silicate rocks, Hancock 215 



The importance of potash in feldspars for plants, Blanck 215 



Action of ground phonolite in several years' fertilizer experiments, Wagner . . . 215 



Kainit aa a means of combating weeds, Dettweiler 215 



The use of lime on land, Gardner 215 



Influence of sulphur on growth of potatoes and beets, Chancrin and Desriot. . . 215 



Recent experiments on the fertilizing action of sulphur, Desriot 215 



A green manure for tobacco, Bamber 215 



AGRICULTURAL BOTANY. 



Syllabus of plant families, Engler and Gilg 216 



A list of plants growing without cultivation in Massachusetts, Stone 216 



A possible means of identifying sex in the mucors, Blakeslee 216 



Inheritance of certain characters in groundsel and its segregates. Trow 216 



Inheritance of flower size in crosses between species of Nicotiana, East 216 



Abnormal root formation by potato, Schlumberger 217 



Spontaneous detachment of twigs of some trees, De Vilmorin and Hickel 217 



Significance of the structure of the tracheids of conifers, Bailey 217 



