VIII CONTENTS. 



RURAL ENQINEEBING. 



Page. 



[Agricultural engineering] 185 



Rural engineering 185 



Water conservation and irrigation 185 



The wet lands of southern Louisiana and their drainage, Okey 185 



Better roads, Tannatt 185 



Forest road construction, Stoetzer 185 



The cause and the prevention of cracking in concrete roads, Spackman 185 



Approximate stresses produced by a concentrated load, Pearl 186 



Strength of large pipes, Cooper and Weinmann 186 



Reinforced concrete construction, IIool 186 



[Farm power and machinery] 186 



Farm motors. Potter 186 



The adaptation of kerosene to gasoline engines, Richter and Pierce 187 



The use of internal combustion motors in Danish agriculture, Feilberg 187 



The science of laying out and the art of plowing with power 187 



Recent tests of mechanical cultivation in France, Coupan 187 



Motor cultivation by tractors or rotating cultivators, De Meyenburg 188 



Basis for the testing of mechanical cultivating implements, Giordano 188 



Motor-drawn and motor-operated grain binders, Ringelmann 188 



Experiments with an electrically driven threshing machine, Coupan 188 



Operating characteristics of centrifugal pumps, Morrison, jr 188 



The cost of pasteurizing milk and cream, Bowen 188 



Electric stimulation of plant growth, Peaslee 189 



The dissolving of zinc from pipes by water supplies, Lehmann 189 



The hot-water supply plant for private houses, GuUino 189 



Elements of heating, Irwin 189 



Some suggested designs for sewage-treatment plants, Ilansen 190 



A combination cesspool and septic tank, Duling 190 



A new suggested method of water testing for plumbing fixtures, Shade 190 



Plumbing practice, as seen by the inspector 190 



RURAL ECONOMICS. 



The agricultural outlook 190 



Agricultural production in West Virginia, Johnson 190 



Some indications of the economic and agricultural progress of Argentina 191 



Agricultural statistics of British India] 191 



Land tenure, agriculture, and live stock in New Zealand], Eraser 191 



International statistics of agriculture] 191 



\s scarcity to be preferred to plenty? Johnson 191 



History and description of a farm in the valley of the Unstrut, Schone 191 



The division of capital in agric-ulture as between landlord and tenant, Paget.. 192 



Landed proprietors and agriculture in Norway 192 



Farm credit conditions in a cotton State, Haney 192 



Helping the farmer to keep his farm, Breitung 192 



Rep( )rt of New York delegates on the American Commission, Allen and Mitchell. 192 



Instruction in marketing 192 



Tlie story of the C. W. S., Redfern 193 



Organization and present status of the Prussian Chamber of Agriculture, Oberg. 193 



AGRICULTURAL EDUCATION. 



Rural life and education, Cubberley 193 



Educational resources of village and rural communities, iiart 193 



[Instruction in agriculture and domestic science], Harris 193 



The agricultural instruction act 194 



[Progress in agricuUural education in Canada in 1913] 194 



Agricultural organization in Belgium 194 



Nature study and the teaching of elementary agriculture, Comstock 194 



Some students' work 194 



Tlie present status of nature study in the elementary schools, Patterson 194 



The school gardens of Saginaw, I'assolt 195 



Sliouhl school gardens survive? Cromwell 195 



Supervising a community garden in summer, Waters 195 



The lay of tlic land, Needham 195 



Farmers' iiisl,itut(; and extension work in the Thiited States in 191:5, Hamilton. . 195 



