vm CONTETirTS. 



Page. 



Chemotherapeutic trypanosome studies and immunity following cure, Terry. . . 6ii) 



A new method for immunizing against trypanosome diseases, Schilling 380 



A new culture medium for the tubercle bacillus, Valletti 380 



Cultivating tubercle bacilli from human and animal organs, Wedensky 381 



The nutrition of the tubercle bacillus with mineral substances, Sauton 381 



The viability of the bovine type of tubercle bacilli, Titze 381 



Children infected with bovine type of bacillus, Weber and Steffenhagen 382 



Tuberculosis in nursing children, Steffenhagen 382 



Investigations in regard to tubercle bacilli of various origins, Steffenhagen. . . . 382 



The type of bacillus present in the sputum of tubercular subjects, Lindemann. 382 



Tuberculous animals and the part they play in infection of man, Calmette 382 



The tuberculous cow in relation to human health, Reynolds 382 



Value of the meiostagmin reaction for diagnosing tuberculosis, Roncaglio 382 



Differentiation between human and bovine types of tubercle bacillus, Fraser. . 382 



Tuberculin testing of cattle, Chrisman 383 



Detection of tubercle bacilli in the excreta of suspected bovines, Titze 383 



The detection of the tubercle bacillus in the feces of bo\'ines, Thieringer 384 



Report on Heymans' method for vaccinating against bovine tuberculosis 384 



The treatment of bovine tuberculosis with Tuberculosan (Burow), Perlich 384 



The question of tick eradication, Bahnsen 384 



Cooperia oncophora in diarrheic calves, Fillers 384 



Hog cholera, Bolton 384 



Injection experiments with salvarsan in pectoral influenza of horse, Teppig. . . 385 



Bacteriological investigations of tuberculosis in the horse, Zwick and Zeller. . . 385 



Canine anaplasmosis, Basile 385 



Important poultry diseases, Salmon 385 



Variations in a chicken sarcoma caused by a filterable agent, Rous and Murphy . 285 



EUBAL ENGINEERING. 



Third biennial report of the department of engineering of California 386 



Construction of the Kachess dam, Washington, Baldwin 386 



A method of proportioning concrete, Hunter 386 



Effect of too much water in mixing concrete 386 



Protection of concrete structures from alkali and other agents, D'Rohan 386 



Tests of grouting gravel in river beds, Cartwright 387 



Bending strength of yellow-pine timber, Morgan 387 



Roads and road materials of Florida, Sellards, Gunter, and Cox 387 



Specifications for street roadway pavements, Whinery 387 



Comparative statistics on cost of road construction 387 



Repair and maintenance of highways, Hewes 388 



Grood roads yearbook 388 



Horse, truck, and tractor, Casaon, Hutchinson, jr., and Ellis 388 



[The traction gear] 389 



The pulling power of slack belts, Kent 389 



The indicator for steam traction engine testing, Wiggins 389 



Calculating speeds, Kxanich 389 



Cost of pulling small trees with a traction engine, Hutchinson 389 



The Port Elizabeth farm tractor and plow trials 390 



Text of a centrifugal hand separator, Rezek and Winkler 390 



[Rope], some knots and splices, Drew 390 



A general purpose bam, Chase 390 



The elements of heating and ventilation, Greene, jr 390 



RURAL ECONOMICS. 



Profitable and unprofitable farms in New Hampshire, Robertson and Dodge.. . 391 



Efficierrt types of farming and their location, Brinkmann 391 



Agrarian matters and agrarian politics, Wygodzinski 391 



Land taxation, Eichholtz 391 



[German agricultural associations and organizations], Kiessling 392 



A successful cooperative exchange, Ingling 392 



How cooperation remade a Minnesota neighborhood, Poe 392 



The road to cheaper money, Hughes 392 



Land mortgage credit system in America, Price 393 



The introduction and organization of real credits in Wiirttemberg 393 



Agricultural statistics of Belgium in 1912 393 



Trade unioniBin, unemployment, prices, etc., in Australia, 1891-1912, Knibbs. 393 



