The Journal of 



HEREDITY 



Ji monthlu puolicatioyi dewkd tojladpreedim 

 Animal J jreedim and Ememcs 



JANUARY, 1917 



THE SYCAMORE FIG IN EGYPT 



THE MODERN IDEA OF EVOLUTION 



THE BEST PAPAWS 



THE GREAT RACE PASSES 



HEREDITY VS. ENVIRONMENT 



COEDUCATION AND MARRIAGE 



INFLUENCE OF HEREDITY IN STAMMERING 



ORGAN OF THE 



AMERICAN GENETIC ASSOCIATION 



WASHINGTON - D.C. 



Jrintedfor QircutaUott amonj^ DKembers only 



