HEREDITY AND ENVIRONMENT 



177 



some of these faculties, both good and bad, are so exceedingly weak as to be 

 practically wanting, and capable of development only in the most persistently 

 favorable environment. However favorable the environment, faculties will 

 not develop which were not inherited from the family line, any more than 

 would living in a white house make a white man out of a negro child. 



References. 1. " Principles of Breeding." 



2. " Essays on Heredity and The Germ Plasm." Separate volumes by 

 Weismann against the transmission of modification. 



3. "An Examination of Weismannism and Post-Darwinian Questions." 

 Separate volumes by Romanes, favoring transmission of modifications. 



