The Journal of 



HEREDITY 



^ monthly puolkatiorL dzvokdbflant$reedinQ 

 Animal 3reedim and EuQenics 



JUNE, 1923 



SAVING THE SIX-NIPPLED BREED 



Alexander Graham Bell 



DEFECTIVE SEEDS IN MAIZE 



P. C. Mangelsdorf 



THE RELATIONS OF CYTOLOGY AND GENETICS 



P. W. Whiting 



ALLEGHENY COLLEGE BIRTH RATE 



H. R. Hunt 



ENDOSPERM DEFECTS IN MAIZE 



E. W. Lindstrom 



PUBLISHED BY THE 



AMERICAN' GENETIC 'ASSOCIATION 

 BALTIMORE , MD. and WASHINGT0N,D.C 



Volume XIV Number 3 



