VI CONTENTS. 



Page. 



Agglutination studies of milk from cows with contagious abortion, Cooledge. . . 774 



Warble flies, Had wen 775 



A disease simulating beri-beri in pigs fed on rice meal, Hadwen 775 



What is hog cholera? Schern and Stange 775 



Two new cestode parasites of domestic fowl, Skrjabin 775 



RURAL ENGINEERING. 



Computing run-off from rainfall and other physical data, Meyer 775 



Snow survey as basis for close forecast of watershed 's yield. Church, Jr 776 



A method of correcting river discharge for a changing stage, Jones 777 



Conditions requiring the use of automatic gages in stream flow. Pierce 777 



Small automobile opens up new opportunities in stream gaging work, Porter. . 777 



Ground water in Big Smoky Valley, Nevada, Meinzer 778 



A contribution to the study of the action of various waters upon lead, Heap. . 778 



The water supply of farm homesteads, Shutt 779 



The application of water to citrus orchards, Mertz 779 



Irrigation practice in the Sacramento Valley, Guilford 780 



Report of Western Canada Irrigation Association, 1914 780 



Biennial report of the state geologist, 1913-14, Pratt 780 



The St. John Levee and Drainage District of Missouri, Strohl 780 



The experiment-farm drainage system, Headley 780 



Methods and cost of levee enlargement with a tower dragline excavator 780 



Wearing tests for sand and gravel, Roman 781 



Effect of fineness of sand, clay, and loam on the strength of mortar, Roman 781 



Concrete road with a single crack in 4|- miles, result of careful construction . . . 781 



Brick highways in King County, Washington, Allen 781 



Methods and cost of constructing a mountain road system in Virginia, Cocke. . 782 



Proceedings of the first annual good roads week at Cornell University 782 



Wheel tire width and weight of load for conveyances with animal draft, Duhm. 782 



A good commercial dairy bam, Begin 783 



Cow barns, Hubbard 783 



Horse barn, Hubbard 783 



Horse barn. Begin 783 



Horse barn, McKillican 783 



Piggery, McKillican 783 



Poultry houses and appliances for allotment holders, cottagers, and others 783 



A cheap root cellar, Fairfield 783 



Cotton warehouse construction, Nixon 784 



Farm sanitation with reference to water supply and sewage disposal, Hansen. . 784 



Sanitary apparatus for private residences and isolated houses, Snow 784 



The purification of dairy wastes, Kershaw 784 



Report on purification of sewage from sugar refineries, Giinther and Herzfeld. . 785 



The operation of sewage disposal plants, Daniels 785 



Treat Illinois sewage with activated sludge 786 



RURAL ECONOMICS. 



Early economic development of agriculture in Minnesota, Robinson 786 



Social and economic survey of a community in northeastern Minnesota, Warber. 786 



Rural morality, Vogt -. 787 



Deficiencies in Italian agriculture 787 



Cooperation in Spanish agriculture 787 



Agricultural credit, Bullock 787 



Middlemen in English business, particularly 1660-1760, Westerfield 787 



Report of the trade and commerce of Chicago, 1914 787 



Farm-machinery trade associations 787 



Efforts in United States toward control of cost of living, Nestler-Tricoche 787 



The question of food supply during the war, Thery 788 



Monthly crop report 788 



Statistical report of the California State Board of Agriculture, 1914 788 



The agriculture of Pike County, Illinois, Main 788 



Studies in the industrial resources of Texas, edited by Haney 788 



Agriculture in Argentina— national wealth prostituted, Holm 788 



Acreage and live stock returns of England and Wales 789 



Statistical yearbook of the Union of South Africa, 1912-13 789 



Agricultural statistics of India, 1912-13 789 



