216 



NATURAL INHERITANCE. 



Table 20. 



Observed and Calculated Eye-Coloitrs in 78 separate Families, each 



of not less than slx brothers or slsters. 





Eye- colours of the 







Number of the light eye- 







Total 



coloured children. 

















Parents. 



Grandparents 





child- 

 ren. 



Ob- 

 served. 



Calculated. 





















Light. 



Hazel. 



Dark. 



Light. 



Hazel. Di 



irk. 







I. 



II. 



III. 



2 







4 







6 



6 



5-3 



5-3 



5-6 



2 











4 









6 



6 



5 



3 



5-3 



5 



6 



2 











4 









6 



6 



5 



3 



5-3 



5 



6 



2 











4 









6 



5 



5 



3 



5'3 



5 



6 



2 











4 









7 



7 



6 



2 



6-2 



6 



6 



2 











4 









7 



7 



6 



2 



6-2 



6 



6 



2 











4 









7 



7 



6 



2 • 



6-2 



6 



6 



2 











4 









■7 



7 



6 



2 



6-2 



6 



6 



2 











4 









7 



7 



6 



2 



6-2 



6 



6 



2 











4 









8 



8 



7 







71 



7 



5 



2 











4 









8 



8 



7 







71 



7 



5 



2 











4 









8 



8 



7 







7-1 



7 



5 



2 











4 









8 



8 



7 







. 7-1 



7 



5 



2 











4 









8 



7 



7 







7-1 



7 



5 



2 











4 









8 



7 



7 







7-1 



7 



5 



2 











4 









12 



12 



10 



6 



10-7 



11 



3 



2 











3 



1 





7 



7 



6 



■1 



5-8 



6 



4 



2 











3 



1 





10 



4 



8 



s 



8-3 



9 



1 



2 











3 



1 





12 



12 



10 



i; 



io-o 



10 



9 



2 











3 





i 



7 



6 



6 



2 



5-1 



6 







2 











3 







1 



8 



8 



7 







5-8 



6 



9 



2 











3 







1 



9 



9 



7 



9 



6-6 



7 



7 



2 











3 







1 



9 



9 



7 



9 



6-6 



7 



7 



2 











3 







1 



9 



7 



7 



9 



66 



7 



7 



2 











3 







1 



10 



10 



8 



8 



7-3 



8 



6 



2 











2 



2 





7 



7 



6 



2 



5-4 



6 



2 



2 











2 



2 





10 



9 



8 



8 



77 



8 



8 



2 











2 



1 



i 



6 



6 



5 



3 



4-0 



5 







2 











2 



1 



i 



10 



10 



8 



8 



6-7 



8 



3 





2 







2 



1 



l 



7 



4 



6 



2 



4 7 



4 



6 







2 







2 





2 



8 



5 



5 



4 



4-6 



4 



8 











2 



3 







1 



6 



2 



1 



7 



4-4 



2 



2 











2 



2 







2 



9 



1 



2 



5 



51 



2 



5 











2 



1 







3 



6 



1 



2 



7 



2-5 



1 



2 











2 



1 







3 



11 



3 



3 



1 



4-5 



2 



2 











2 



1 



1 



2 



6 





1 



7 



3-0 



1 



5 











2 



1 



1 



2 



7 



4 



2 







3-6 



1 



8 



1 



1 





3 



1 





6 



6 



4 



7 



5 



4 



9 



1 



1 







3 



1 





7 



6 



' 5 



5 



5-7 



5 



7 



1 



1 







3 



1 





8 



6 



6 



2 



6'6 



6 







1 



1 







3 



1 





9 



7 



7 







7-5 



7 



4 



1 



1 







3 



1 





11 



10 



8-6 



9-1 9-2 



