RESULTS. 



19 



Table 21. — Father with 3 factors for negro N; mother with i factor for negro N. 



Table 22. — Father with j factors for negro N; mother with 2 factors for negro N. 



Table 23. — Father with j factors for negro N; mother with j factors for negro N. 



Table 24. — Father with 4 factors for negro N; mother with 1 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. 



