COLLATERAL READING 35 



Sugar-beet Seed Breeding, by J. E. W. Tracey. Yearbook, 1904, 

 pp. 341-352. 



Improvement of Cotton by Seed Selection, by Herbert J. Webber. 

 Yearbook, 1902, pp. 303-386. 



The Art of Seed Selection and Breeding, by A. D. Shamel. Year- 

 book, 1906, pp. 221-236. 



Plant-Breeding on the Farm. Farmers' Bulletin No. 334, pp. 5-9. 



Potato-Breeding. Farmers' Bulletin No. 342, pp. 10-14. 



Cereals in America, by T. F. Hunt. Pp. 14-25, 63-68, 185-200. 



Forage and Fiber Crops in America, by T. F. Hunt. (See Index of 

 crops.) 



Principles of Breeding, by E. Davenport. 



Cyclopedia of American Agriculture, Vol. II, pp. 1-35, 53-80. 



In giving references, the following abbreviations are used : 

 "Bureau of Plant Industry," "Bureau of Animal Industry," "Forest 

 Service," etc., refer to bureaus in the United States Department of 

 Agriculture. "Farmers' Bulletin" and "Yearbook" also refer to pub- 

 lications by this department. Publications of state experiment sta- 

 tions are referred to by the name of the state. "Iowa Bulletin No. 

 75" means Bulletin No. 75 of the agricultural experiment station that 

 is located in Iowa. 



See Appendix, Tables 1, 2 and 3, for method of securing publica- 

 tions. 



