RURAL ECONOMICS. 989 



lions of the iiiacliiiu's with illiistriitions. jiiul the coucliisioiis of tlie judj^cs with 

 roferonce to their merits are given in the ease of each machine. 



Trials of self-binders and mowing machines at Constantinsborg, 1908, 

 M. Dall ( 7'u/.s-.sA/-. Laiiiloh-oiiom., I90S. Jo. 12, /*/). oSo-GtS). — Several machines 

 <tf different mannfacture were tested in cnttinj: i-ye and oats and the amount 

 of pcwer required was determined. In addition, trials were made of five 

 types of combined irrain harvesters and mowing machines. 



The repair of farm equipment, \V. R. Beattie (U. S. hcpt. A(/r., Fannrrsi' 

 liiil. 3Ji7, pp. 32, figs. 2d). — The tools, materials, and facilities required for 

 making repairs on all parts of the farm equipment are listed and described, 

 with practical suggestions as to selection and use of tools and materials, and 

 arrangement of a workshop. A few practical suggestions are given wnth a view 

 to emphasizing the increased efttciency resulting from keeping equipment in 

 good repair. 



Handbook of farm buildings, ponds, etc., T. Winder ( London, Sheffirld, 

 and (Ihixgow, 1908, pp. Ill, figs. 111). — This volume treats of farm buildings 

 and their appurtenances according to English practice, with practical sugges- 

 tions resulting from the author's experience. Data relative to the design, 

 construction, repair, and maintenance of farm buildings form the nucleus of 

 the book, with chapters on drainage, materials, houses for farm animals and 

 implements, and yards, walks, and gates. There is also a chapter by J. W. 

 P.eauchanip on electricity as a]»plied to agriculture, which discusses the various 

 appliances which can be operated economically by electricity and the means 

 of obtaining the power as suited to individual cases. 



The King system of ventilation, C. A. Ocock {Wisconsin Sta. Bui. IG'i, 

 pp. 3-2 'i, figs. 21). — In this bulletin descriptions and detailed plans are pre- 

 sented which it is deemed are sufficient to enable farmers to install in barns 

 this system of ventilation. The essential features of the system, which was 

 Iiroitosed by King in 1889 (E. S. li., 2, p. 447), "are several inlet flues to dis- 

 tribute the pure air, and one or more fotil air flues of adequate size to assure 

 lapid removal of foul air." 



The disposal problem in rural districts, S. B. Lake {Mo. Bui. Ind. Bd. 

 ffcdHli, It) {HXIS), \o. 10, pp. 120-12'/, figs. 2). — In this i)aper the author points 

 <<ut the essential principles involved in the sanitary disposal of sew'age and 

 garbage, and presents a design for a garbage disposal plant with a description 

 of its operation. 



RURAL ECONOMICS. 



Builders of an agricultural commonwealth, C. II. Poe {Ho. Atlantic Quart., 

 S {I'.H)'.)), Ao. 1, pp. 1-11). — This article presents data relating to the economic 

 development of the South by means of the growth of scientific agriculture, 

 roa<l imiirovemeiit. and ;igricul(ural educ-ition. 



The State agricultural committee of the Farmers' Union, W. L. Stallings 

 (South. Cult., 06 (1908), No. 2h, pp. I'l, 15). — This article gives the membership 

 and aims of the State agricultural committee of the Farmers' Union of Georgia. 



The purpose of this committee is " to encourage among the membership of 

 the union a greater interest in more scientific farming and the raising of home 

 supplies on tlie farm, to the end that cotton and otlier money crops may be 

 surplus crops." The committee proposes to disseminate information on scientific 

 farming by means of luilietins, tlie holding of meetings similar to farmers' 

 institutes, the i)reparalion of newspaper articles, etc., to pui)lish the results of 

 a better system of farming as comi)ared with those of former methods, and to 



