18 HEREDITY OF SKIN COLOR IN NEGRO-WHITE CROSSES. 



Table 18. Father with 2 factors for negro N; mother with 1 factor for negro N. 



Table 19. Father with 2 factors for negro N; mother with 2 factors for negro N. 



Taken in evening; regarded by observer as unreliable; W 40. 

 6 Both parents Fi mulattoes. 



Table 20. Father with 2 factors for negro N; mother with 3 factors for negro N. 



