NAVAL OFFICERS 



THEIE HEREDITY AND DEVELOPMENT 



BY 



CHARLES BENEDICT DAVENPORT 



DIRECTOR OF DEPARTMENT OF EXPERIMENTAL EVOLUTION AND OF THE 



EUGENICS RECORD OFFICE, 

 CARNEGIE INSTITUTION OF WASHINGTON 



ASSISTED BY 



MARY THERESA SCUDDER 



RESEARCH COLLABORATOR IN THE 

 CARNEGIE INSTITUTION OF WASHINGTON 



PUBLISHED BY THE CARNEGIE INSTITUTION OF WASHINGTON 



WASHINGTON, 1919 



