The JourneJ of 



HEREDITY 



^ montnltf puolicatm dewkd toflad^reedim 

 Animal 3reedim and Emenics 



NOVEMBER, 1919 

 Vol. X, No. 8 



ORIGIN OF NEW PRUNE VARIETY 



POLYEMBRYONY AND SEX 



CEMETERIES SHOULD PRESERVE LIFE RECORDS . 



DEMOCRACY AND HEREDITY 



FIRST BAD HABIT— SUCKING ITS THUMB 



FAMILY HISTORY OF COLOR BLINDNESS 



ORGAN OF THE 



AMERICAN GENETIC ASSOCIATION 



WASHINGTON 'DC. 



Jrintedfor Qirculatiopt amonj^ 'JKembers only 



Acceptance for mailing at the special rate of postage provided for in section 1103, Act of October 3, 1917 



authorized December 20, 1918. 



