Th 



Journal of Heredity 



(Formerly the American Breeders' Magazine) 



Vol. V, No. 7 



July, 1914 



CONTENTS 



Plant Breeding in Sweden, by H. Hjalmar Nilsson 281 



Second Report of the Committee on Immigration of the Eugenics 



Section of the American Genetic Association 297 



Association Meeting in August, 1915 300 



International Genetics Conference 300 



The Sapphire Hog, by J. A. McLean 301 



New Publications: Handbuch der landwirtschaftlichen Pflan- 



zenziichtung, by C. Fruwirth 304 



Biological Eugenics, by Leon J. Cole 305 



Left -handedness 312 



The Origin of Domestic Fowl, by C. B. Davenport 313 



Racial Origin of Successful Americans, by Frederick Adams Woods 313 



Results of Early Marriage, by Casper L. Redfield 316 



The Eugenic Ideal, by C. W. Saleeby 317 



The Jaboticaba, by Wilson Popenoe 318 



The Journal of Heredity is published monthly by the American Genetic 

 Association (formerly called the American Breeders' Association) for the benefit 

 of its members. Canadian members who desire to receive it should send 25 cents a 

 year, in addition to their regular membership dues of $2, because of additional post- 

 age on the magazine; foreign members pay 50 cents extra for the same reason. 

 Price of single copies, 25 cents. 



Entered as second-class matter August 27, 191 2, at the postoffice at Washington, 

 D. C, under the act of August 24, 1912. Contents copyrighted 1914 by the 

 American Genetic Association. Reproduction of articles or parts of articles 

 permitted provided proper credit is given to author and Journal. 



Date of issue of this number, June 27, 1914. 



