1920] CONTENTS. VII 



Page. 



Transmission of canine piroplasmosis in France, Brumpt 83 



Transmission of canine piroplasmosis in Tunis, Brumpt 84 



[Fowl typlioid in France], d'Herelle 84 



Tlie bacteriopliagous microorganism, d'Herelle 84 



Botulism in cliickens. Hart 84 



KURAL ENGINEEKING. 



Eigliteenth annual report of tlie Reclamation Service, 1918-19, Davis 85 



Use of water on Reclamation Service projects, Moritz 85 



Drainage as an anti-malaria measure, Leprince 85 



Louisiana State liigtiways, Kerr 85 



The evolution of tlie public roads problem in Quebec, Fraser 85 



[Foundation types for country roads] 85 



Relation of highways to motor truck operating cost, Blanchard 85 



Laboratory tests of granite paving block, Jackson 85 



An apparatus for determining tlie consistency of concrete, Roman 86 



Concrete blocks: How to make and use them 86 



The proper balancing of fuel, lubricant, and motor, Parisli 86 



Heat flow through cylinder walls, Illmer 86 



Report on the employment of gas as a source of power, Redwood 86 



Fundamentals of tractor design, Strite 87 



Some points in tractor design 88 



Fundamentals of tractor engine design, Bufhngton 88 



The ultimate type of tractor engine, Horning 88 



Principles of tractor engine cooling, Modine 88 



Tractor friction transmissions, Trask 89 



Lubrication of tractor engines, Clark 89 



Standardizing tractor parts, Strite 89 



The farm tractor in Iowa, Collins 89 



Building a small track-laying tractor, Colvin 89 



Use of artillery tractors on Salmon Lake Dam construction, Branch 89 



Agricultural machines essential for rational cultivation, Hunnicutt 90 



A machine for trimming camphor trees, Russell 90 



The development of a standard refrigerator car, Pennington 90 



Concrete farm buildings 90 



Concrete poultry houses and piggeries 90 



Concrete greenhouses, hotbeds, and root cellars 90 



Concrete paths and pavements, curbs, and gutters 90 



Concrete troughs and wells 90 



The construction of cattle dipping tanks 90 



Feeding alfalfa hay, Gardiner 91 



How to build a straw stack 91 



KURAL ECONOMICS. 



Rural socialization, Sims 91 



The farmer's place in American business. Capper 91 



The farmer and the farm market, Meredith 91 



Ba.sic facts of prosperity in 1920, Parlin 92 



Making money on high-priced land, Munger 92 



Farm management survey, Greenbrier and Monroe Counties, Dadisman 



and Sarle 92 



First advice to would-be farmers. Green 93 



Handbook regarding land settlement, etc., for returned soldiers 93 



Soldier settlement in Italy 93 



Report by the under secretary for public lands, Graham 93 



Agriculture in the Tropics for ex-soldiers, Carmody 93 



[Public lands and immigration laws of Bolivia], Reid 94 



The land settlement (Scotland) Act, 1919 94 



Capital required for entry to farms 94 



The fable of inferiority of agriculture in France, Caziot 94 



The condition of agriculture in Germany, Simpich 94 



Agricultural purchase .societies, Giibel 94 



Cooperative farming in Italy, Smith-Gordon 94 



Peasant cooperation and agrarian reform in Roumania, Knight 94 



