EURAL ECONOMICS. 91 



stitute the most practical and satisfactory method which we have been able 

 to devise for studying and testing the wearing qualities of paints. . . . The 

 substitution of benzin for turpentine does not ajipear to give the same result 

 as where turpentine as the thinner is employed in moderate quantities." 



The experiments also indicate that repainting often brings out defects in the 

 first painting not pi'eviously recognized. Sublimed lead was not found inferior 

 in wearing quality to basic white lead. 



Further experiments along this line are in progress. 



North. Dakota paint law and its benefits, E. F. Ladd (North Dakota Sta. 

 Paint. Bui., 1 {1915), No. 6, pp. SO-85).— The general effect of the North Da- 

 kota paint law on the paint industry in the State is discussed. It is maintained 

 that since its enactment there has been marked improvement in commercial 

 paints, especially in the correct labeling of goods and the abolition of short- 

 weight packages. 



RTIRAL ECONOMICS. 



The International Institute of Agriculture, its organization — its work — 

 its results (Rome: Internat. Inst. Agr., 191 Jf, pp. 45, pis. 2, figs. 25). — This 

 pamphlet gives the history and organization of the International Institute of 

 Agriculture, the work it has undertaken to accomplish, and the results obtained. 



See also a previous note (E. S. R., 30, p. 899). 



The lure of the land, H. W. Wiley (New York: The Century Co., 1915, pp. 

 S68, pis. 31). — The author discusses some of the underlying motives affecting 

 the movement of people from the rural districts to the city and the desire of 

 city people to return to the country, and calls attention to the business side of 

 farming as it is influenced by market conditions, the use of motive power, and 

 the elimination of wastes. He briefly outlines the genesis of soils, theories re- 

 garding the causes governing its fertility, and the function of water in crop 

 production. He also discusses the decreasing meat supply and the efforts of the 

 Federal Government to improve agricultural production. 



Wealth from, the soil, C. C. Bowsfield (Chicago: Forbes d Co., 1914, pp. 

 319). — This book is written as an aid to urban people who wish to become 

 farmers or land owners. 



Handbook on diversified farming (Arkansas Sta. Circ. 26 (1915), pp. 24, 

 figs. 8). — This circular contains brief statements regarding the methods of 

 growing various farm crops, planning a home vegetable garden, preserving fruits 

 and vegetables, and i*aisiug live stock. 



A method of analyzing the fann business, B. H. Thomson and H. M. 

 Dixon (U. S. Dept. Agr., Farmers' Bill. 661 (1915), pp. 26).— This publication 

 furnishes an outline of a method and a blank form for analyzing the farm 

 business to determine the investment, receipts, expenses, and labor income, and 

 indicates how the form is to be used to determine the labor income, and how to 

 measure the farm efficiency. The authors state that on a majority of farms, 

 success is primarily dependent upon the size of the farm business, the yields of 

 the crops, the returns per animal, and the diversity of the business. Those 

 farms that are excellent in none of these respects almost universally fail. 



The business side of farming, T. J. Bbooks (Mississippi Agr. Col. Bui., 

 1914, June 20, pp. 48). — Suggested forms are given for organizing egg shipping 

 associations, cooperative creameries, farmers' cooperative shipping associations, 

 and cooperative marketmg associations. A brief bibliography is appended. 



Demurrage information for farmers, G. C White (U. S. Dept. Agr. Bui. 191 

 (1915), pp. 21). — This bulletin outlines the provisions of the uniform demurrage 



