OFFICE OF FARM MAXAGEMEXT AND FARM ECONOMICS. 563 



No. 31. Behavior, under cultural conditions, of species of cacti Icnown as 

 Opuntia. By Davi<l Griflitbs. 101.3. 10 cents. 



No 32 An example of successful farm management in southern New York. 

 By M. C. Burritt. 1913. 5 cents. 



No. 41. A farm-management survey of three representative areas in Indiana, 

 Illinois, and Iowa. By E. H. Thomson and H. M. Dixon. 1914. 10 cents. 



No. 49. The cost of -raising a dairy cow. By O. M. Bennett and M. O. Cooper. 

 1914. o cents. 



No. 50. Possible agricultural development in Alaska. Bv Levi Chubbuck. 



1914. 10 cents. 



No. 68. Pasture and grain crops for hogs in the Pacific Northwest. By Byron 

 Hunter. 1914. 5 cents. 



No. 91. Cost and methods of clearing land in the Lake States. By Harry 

 Thompson and Earl D. Strait. 1914. 5 cents. 



No. 117. Profits in farming on irrigated areas in Utah Lake Valley. By 

 E. H. Thomson and H. M. Dixon. 1914. 5 cents. 



No. 130. Operating costs of a well-established New York apple orchard. By 

 G. H. Miller. 1914. o cents. 



No. 174. Farm experience with the tractor. By A. P. Yerkes. 191-3. 5 cents. 



No. 201. Native pasture grasses of the United States. By David Griffiths, 

 George L. Bid well, and Charles Goodrich. 1915. 15 cents. 



No. 208. Y'ields of native prickly pear in southern Texas. By David Griffiths. 



1915. 5 cents. 



No. 211. Factors affecting range management in New Mexico. By E. O. 

 Wooton. 1915. 15 cents. 



No. 320. Fai-m practice in the cultivation of corn. By H R. Cates. 1916. 15 

 cents. 



No. 321. Cost of fencing farms in the North Central States. By H. N. Hum- 

 phrey. 1916. 10 cents. 



No. 337. A study of the tenant systems of farming in the Yazoo-]\Iississippi 

 ^'alley. By E. A. Boeger and E. A. Golden weiser. 1916. 5 cents. 



No. .338. Machinery cost of farm operations in western New York. By H. H. 

 Mowry. 1916. 5 cents. 



No. 341. Farm management practice of Chester County, Pa. By W. J. Spill- 

 man. H. M. Dixon, and G. A. Billings. 1916. 15 cents. 



No. 367. Carrying capacity of grazing ranges in southern Arizona. By E. O. 

 Wooton. 1916. 15 cents. 



No. 410. Value to farm families of food, fuel, and use of house. By W. C. 

 Funk. 1916. 10 cents. 



• No. 411. Systems of renting truck farms in southwestern New Jersey. By 

 H. A. Turner. 1916. 5 cents. 



No. 412. The normal day's work of farm implements, workmen, and crews in 

 western New York. By H. H. Mowry. 1916. 5 cents. 



No. 413. Influence of age on the value of dairy cows and farm work horses. 

 By .1. C. McDowell. 1916. 5 cents. 



No. 423. Labor requirements of dairy farms as Influenced by milking ma- 

 chines. By H. N. Humphrey. 1916. 5 cents. 



No. 425. Farming on the cut-over lands of Michigan, Wisconsin, and Minne- 

 sota. By ,J. C. McDowell and W. B. Walker. 1916. 5 cents. 



No. 446. The cost of producing apples in Wenatchee Valley, Wash. By G. H. 

 Miller and S. M. Thomson. 1917. 10 cents. 



No. 482. Farming in the blue-grass region. By J. H. Arnold and Frank 

 Montgomery. 1917. 5 cents. 



No. 492. An economic study of farming in Sumter County, Ga. By H. M. 

 Dixon and H. W. Hawthorne. 1917. 



No. .500. The cost of producing apples in western Colorado. By S. M. Thom- 

 son and G. H. Miller. 1917. 10 cents. 



No. .501. A study in tlie cost of producing milk on four dairy farms located in 

 Wisconsin. Michigan. Pennsylvania, and North Carolina. By M. O. Cooper, 

 C. M. Bennett, and L. M. Church. 1017. 5 cents. 



No. 504. The theory of correlation as applied to farm-survey data on fattening 

 baby beef. By H. r'. Tolley. 1917. 5 cents. 



No. 511. Farm practice in the cultivation of cotton. By H, R. Cates. 1917. 

 10 cents. 



No. 518. The cost of producing apples in Hood River Valley. By S. M. Thom- 

 son and G. H. Miller. 1917. 15 cents. 



No. 528. Seasonal distribution of farm labor in Chester County, Pa. By 

 G. A. Billings. 1917. 10 cents. 



