CONTENTS. Vn 



Page. 



"Marginal points " of the blood of mammals, Laveran and Franchini 478 



Protection of parasites in digestive tract against digestive enzyms, Burge 478 



Experimental drug treatment of East Coast fever of cattle, Nuttall 478 



Serological detection of glanders in asses and mules, Schutz and Waldmann . . 479 



Action of mallein on sound horses and conglutination, Pfeiler and Weber 479 



Using larger amounts of extract in the complement fixation test, Eckert 480 



Studies in immunity to tubercular disease. — I, Caseation of the tissues, Twort. 480 



Remarks on the work of Krautstrunk, Klimmer 481 



The intradermal test in bovine tuberculosis, Welch 481 



Therapeutic use of certain azo dyes in tuberculosis, DeWitt 481 



Tuberculocidal action of certain chemical disinfectants, DeWitt and Sherman. 482 



Coccidiosis in cattle and carabaos, Schultz 482 



Hog cholera and methods of control, Cahill 483 



Refractive index of serum from pigs immunized against hog cholera, Proniewicz. 483 



Hog cholera serum and virus as an immunizing and curative agent, Marquardt. 483 



My experience vrith the simultaneous method of immunization, Smothers 483 



The filterability of Bacillus broncJusepticus, Ferry 483 



Is Leucocytozoon anatis the cause of a new disease in ducks? Wickware 483 



Poultry parasites with suggestions for their control, Herrick 483 



RURAL ENGINEERING. 



Effect of width of channel of approach on flow of water over weirs, Martin 484 



Relation of stream gaging to the science of hydraulics. Pierce and Davenport. . 484 



Artificial control sections for river measurement stations, Hoyt 484 



Surface water supply in Washington and upper Columbia River basin, 1912. . . 484 



Ground water in Paradise Valley, Arizona, Meinzer and Ellis 484 



A plan for municipal irrigation from the Los Angeles aqueduct, Heinly 485 



The Valier-Montana irrigation project, Heron 485 



Thirteenth annual report of the Reclamation Service, 1913-14 485 



W^ork in hydrographic department of Porto Rico Irrigation Service, Knapp 485 



Irrigation in Spain, de la Rosa 485 



Report of the interstate conference on artesian water 486 



Ownership and disposal of seepage water. Whitehead 486 



Malaria control: Drainage as an antimalarial measure, Le Prince 486 



The agricultural utilization of the water of municipal sewage, Perotti 486 



Disposal of sewage from hospitals and medical establishments, Kiihl 486 



Fifth biennial report of the state highway commissioner, Rogers 486 



The transmission of pressiure through macadam to the subgrade, Washington. . 486 



Test of a bridge slab, McCormick 487 



Estimating cui'ves for standard bridges of IlUnois Highway Department, Burch. 487 



Structural engineering, Kirkham 487 



Tests and uses of hydrated lime, Haff 487 



The industrial use of peat, Verschoor 488 



The use of electricity on Ontario farms, Starrett 488 



Machines at 1914 exposition of German Agricultural Society, Luedecke 488 



The fu'st large American Humphrey pump. Trump 488 



A new deep well pump, Andreuzzi 488 



Results of a tractor investigation, Rose 488 



The gas tractor situation in Iowa, Davidson 488 



The tractor situation in Indiana, Gilbert 489 



Small tractor a benefit to Kansas threshennen, Nichol 489 



The Minnesota view of traction engines, Mowry 489 



Machines for the tillage of different classes of soil, Uranga 489 



Note on machines for pseudocultivation, Ringelmann 489 



Construction of sanitary mangers in daiiy barn at Troy, Pa 489 



The housing of the agricultm-al laborer, Searles-Wood 489 



Cottage building in rural districts, Potter 490 



Dampness in houses, its cause and remedy, Metzger 490 



RURAL ECONOMICS. 



The resources of United States and their relation to opportunity, Ketr 490 



The open door to independence. Hill 490 



Farms for sale or rent in New York, Larmon 490 



Farm land for sale in W^est Virginia 490 



