RESULTS. 19 



TABLE 21. Father with 3 factors for negro N; mother with I factor for negro N. 



TABLE 22. Father with 3 factors for negro N; mother with 2 factors for negro N. 



TABLE 23. Father with 3 factors for negro N; mother with j factors for negro N. 



TABLE 24. f! other with 4 factors for negro N; mother with I factor for negro N. 



Including two with 25 per cent N, but a low proportion of white (25 per cent and 22 per cent W, 

 respectively). 



Tables 8 to 24 give the number of offspring falling into each class 

 of skin color and also the expected distribution of the same total num- 

 ber in the respective classes. This expectation is based on hypothesis. 

 It will be worth while to consider how this "expectation" was reached 

 in each case. 



