VI CONTENTS. [Vol.38 



Page. 



RemoAing the taste due to algse in drinking water, Houston G91 



The activated sludge process of sewage treatment: A bibliography, Porter 691 



A preliminary report on blended Portland cement, McCandliss 691 



The effect of sulphid on cement, Witt 691 



Asphalt, related bitumens, and bituminous rock in 1916, Nortlirop 692 



Investigations of gravel for road surfacing, Agg 692 



Labor-saving machinery, Gunness 692 



Buying a farm tractor, Sanders 692 



Tractors and their use in Mexico, Chavez 693 



Farm storage of grain, Buck 693 



Farm manure and its housing, Southwick and Duffee 693 



Lambing sheds, Miller and Fermery 693 



RURAL ECONOMICS. 



Successful farming in blue grass region of Kentucky, Arnold and NichoUs 693 



Farm management investigations in Missouri, Green and Johnson 693 



Agriculture of the Hidatsa Indians. — An Indian interpretation, Wilson 694 



Social and educational surveys of Lancaster community, Kentucky], Bohannan 694 



The farmhouse in relation to food supply and labor problems, Blair 694 



The national food supply in peace and war, Wood 694 



Appeal for mobilization of agricultural products, Brunelli 694 



Wheat dockage on a percentage basis, Davis 694 



Monthly crop report 695 



Annual statistics of Chile 695 



Statistics of trade and agricultural products in Spain, 1916, Matesanz 695 



[Agricultural statistics in Switzerland] 695 



Agricultural statistics of British India 695 



AGRICULTURAL EDUCATION. 



Plan for the organization and administration of the Smith-Hughes Act 695 



Vocational education 696 



Report of the committee on teaching 696 



The fundamental relation of botany to scientific agriculture, Waggoner 697 



Teaching of agriculture in the rural schools, Hathaway 697 



A manual of home economics for the rural school 1 697 



Suggestions for organizing and super\Tsing junior home project work, Griffin 697 



MISCELLANEOUS. 



Report of Kansas Station, 1916 697 



Twenty-eighth Annual Report of Kentucky Station, 1915, Part 1 697 



Thirtieth Annual Report of Maryland Station, 1917 697 



How the station works, Mumford 697 



Twenty-eighth Annual Report of New Mexico Station, 1917 688 



Thirtieth Annual Report of South Carolina Station, 1917 698 



Report of the Canada Experimental Farms, 1916 698 



Monthly Bulletin of the Ohio Experiment Station 698 



Monthly bulletin of the Western Washington Substation 698 



