The Journal of 



HEREDITY 



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 sAnimal3reedimamiEuQmics 



SEPTEMBER, 1923 



DOUBLE CONE FLOWERS 



David Griffiths 



BRANCHED EARS IN MAIZE 



J. H. Kempton 



BIOLOGY IN HUMAN PROGRESS 



O. F. Cook 



PROSPECTS OF PROGRESS IN EUGENICS 



Robert K. Nabours 



ORIGIN OF FALSE WILD OATS 



Garber and Quisenberry 



A TWO-HEADED LAMB 



John Robertson 



PUBLISHED BY THE 



AMERICAN- GENETIC 'ASSOCIATION 

 BALTIMORE ,MD. and WASHINGTON,D.C. 



Volume XIV Number 6 



