TKe Journal of 



A monthly publication devoted to PIftnt Breeding, 



Animal Breeding and Eugenics 



PLANT BREEDING IN SWEDEN 



H. Hjalmar Nilsson 



SECOND REPORT ON IMMIGRATION 



THE SAPPHIRE HOG J. A. McLean 



BIOLOGICAL EUGENICS Leon J. Cole 



THE ORIGIN OF DOMESTIC FOWL - C. B. Davenport 

 RESULTS OF EARLY MARRIAGE - Casper L. Redfield 

 THE JABOTICABA Wilson Popenoe 



ORGAN OF THE 



AMERICAN GENETIC ASSOCIATION, Washington, D. G 



Printed for Circulation among Members Only 



Vol. V, No. 7 



July, 1914 



