176 PASTORAL AND AGRICULTURAL BOTANY 



530, December, 1912; A Variety of Maize with Silks Maturing before the Tassels. 

 Circular 107, Bureau of Plant Industry, 1913; Correlated Characters in Maize 

 Breeding. Journal Agricultural Research, vi, 435-453, June, 1916; Hybrids of 

 Zea ramosa and Zea tunicata. Journal Agricultural Research, ix, 383-395, June, 

 1911; Breeding Sweet Corn Resistant to the Earworm. Journal Agricultural Re- 

 search, xii, 549-572; Structure of the Maize Ear as Indicated in Zea-Euchlaena 

 Hybrids. Journal Agricultural Research, xvii, 127-135, June, 1919; A Fossil 

 Ear of Maize. Journal of Heredity, x, 170-172. 



DUVEL, J. W. T.: Grades for Commercial Corn. Bulletin 168, U. S. Department of 

 Agriculture, 1915. 



FINCH, V. C. and BAKER, O. E.: Geography of the World's Agriculture. U. S. De- 

 partment of Agriculture, 1917. 



FREEMAN, W. G. and CHANDLER, S. E.: The World's Commercial Products. Boston, 

 Ginn and Company, 1911. 



GARDNER, FRANK D.: Successful Farming. Philadelphia, John C. Winston Company, 

 1916. 



GERNERT, W. B.: The Analysis of Characters in Corn and Their Behavior in Trans- 

 mission. Thesis Graduate School, University of Illinois, Champaign, 1912. 



HARSHBERGER, JOHN W.: Maize: A Botanical and Economic Study. Contributions 

 from the Botanical Laboratory, University of Pennsylvania, I, 75-202, 1893; 

 El Maiz Estudio Botanico y Economico, Secretaria de Fomento, Mexico, 1894 

 (translation of the above) ; Fertile Crosses between Teosinte and Maize. Garden 

 and Forest, ix, 522, 1896; Notes on the Hybrid of Maize and Teosinte. Garden 

 and Forest, x, 48, 1897; A Study of the Fertile Hybrids produced by Crossing 

 Teosinte and Maize. Contributions from the Botanical Laboratory, University 

 of Pennsylvania, II, 231; Maize in Cyclopedia of American Agriculture, II, 398- 

 402, 1908; An Unusual Form of Maize. Proceedings of the Delaware County 

 Institute of Science, vi, 49-53, January, 1911. 



HARTLEY, C. P.: The Production of Good Seed Corn. Farmers' Bulletin 229, U. S. 

 Department of Agriculture, 1905; Harvesting and Storing Corn. Farmers' Bulletin 

 313, 1907; Corn Cultivation. Farmers' Bulletin, 414, 1910; Seed Corn. Farmers' 

 Bulletin, 415, 1910; with ZOOK, L. L.: Corn Growing under Droughty Conditions. 

 Farmers' Bulletin, 773, 1916. 



HWES, H. K.: Inheritance in Corn. Report Connecticut Agricultural Experiment 

 Station, 1911, 407-425. 



HAYES, H. K. and EAST, E. M.: Inheritance in Maize. Bulletin 167, The Connecticut 

 Agricultural Experiment Station, New Haven, April, 1911; Further Experiments 

 on Inheritance in Maize. Bulletin 188, do., September, 1915. 



HOPKINS, CYRIL G.: The Chemistry of the Corn Kernel. Bulletin 53, University of 

 Illinois Agricultural Experiment Station, Urbana, July, 1898; Methods in Corn 

 Breeding, Bulletin 82, do., December, 1902; The Structure of the Corn Kernel and 

 the Composition of its Different Parts. Bulletin 87, do., August, 1903. 



HUGHES, H. D.: The Germination Test of Seed Corn. Bulletin 135, Agricultural 

 Experiment Station, Iowa State College of Agriculture and Mechanic Arts, Ames, 

 Iowa, February, 1913. 



