) 1? 



HEREDITY OF SKIN COLOR IN 

 NEGRO-WHITE CROSSES 



BY 



CHARLES B. DAVENPORT 



Director, Department of Experimental Evolution at Cold Spring Harbor 



With Appendix, being Abridgement of Field-notes, Chiefly of 

 FiOKENCE H. Danielson, Field Wobkee. Eugenics Recobd Office 



WASHINGTON, D. C. 



PCBUSBID BT THE CaBNEQIS INSTITUTION X)T WaSBINOTON, 

 1018 



