18 HEREDITY OF SKIN COLOR IN NEGRO-WHITE CROSSES. 



TABLE 18. Father with 2 factors for negro N; mother with i 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. 



* Both parents Fi mulattoes. 



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



