Vm CONTENTS. 



RUEAL ENGINEERING. 



Page. 



Tenth biennial report of the State engineer to the governor of Idaho 583 



Irrigation investigations in Wyoming, 1913-14, Johnston 583 



Water conservation and irrigation 583 



Duty of water investigations, Bark 583 



Irrigation works in Italy, Luiggi _ 584 



Working data for irrigation engineers, Moritz 585 



Land drainage, Parsons 585 



Florida Everglades 585 



Water conveyance and drainage works. . _. 586 



Preliminary estimating of canal excavation, Hammond 586 



Rock-fill dam with some extraordinarj^ foundation problems, Hinderlider 586 



Concrete chute drops water 130 feet from canal to reser\^oir. Cole _. 586 



New type of gate for regulating adjacent water levels operates automatically. . 586 



Water supplies, Rideal 586 



Water supplies in the Philippine Islands, Cox, Heise, and Gana 587 



The influence of the forest on the water supply, Henle 587 



The importance of forests ^vith reference to the water supply, Ney 587 



Hypochlorite treatment of water supplies, Whittaker 588 



Water and sewage, Miiller et al 588 



Report of the state highway comniission of Minnesota for 1914 588 



Concrete roads v. macadam, McAlister _. . . . 588 



Design of concrete highway bridges with special reference to standardization. . 588 



The economic design of culverts for various depths of fills, Sheidler 588 



Effect of temperature on the strength of cement mortar 589 



Use of electricity for irrigation and on the farm, WilHams 589 



Wlien the gas engine will not start, Percy 589 



Progress in small farm tractors, Ellis 589 



International competition of motor tillage machines at Chaouat, Tunis, 1914. . 589 



Tests of two milking machines, Martiny and Vieth 589 



A shearing shed, sheep yards, and dip, McFadzean 589 



A shearing shed for small flocks, Mathews 589 



Fences and fencing 589 



Country plumbing practice, Hutton 590 



Farm sanitation, Wright 591 



Methods of sewage disposal for country homes. Ball and Cassiday 591 



Sewage disposal in the country ; 591 



Investigations on the disposal of canning factory wastes, Englis 1 591 



RURAL ECONOMICS. 



Agricultural cooperation and rural credit in Europe 592 



Agricultural cooperation and rural credit in Europe, III 593 



Report of the Irish Agricultiu*al Organization Society, Liuiited, 1914 593 



Social and economic sui-vey of a community ia the Red River Valley, Weld . . 593 



The study of a rural parish, Felton 593 



Mortality statistics, 1913 _. 594 



National subsistence and agricultural colonization, Kranold 594 



[Agriculture in Norway] • 594 



Agricultiue in Serbia, Waldmann 594 



Estimates of area and yield of principal crops in India, 1913-14 594 



Pineapple-canning industry of the world, Shriver 594 



Monthly crop report 594 



Farmers' market bulletin 594 



AGRICULTURAL EDUCATION. 



First annual report on vocational education in Indiana, Book 595 



State-aided vocational agricultural education in 1914 595 



Agriculture in the New York State high schools, Hawkins 595 



[Agricultural education in the Philippines] 595 



A new year in agricultural instruction 596 



Elementary agricultural instruction 596 



Vocational education in Europe, Cooley 596 



Regulations for grants in England and Wales, 1915-16 596 



