TABLES. 



213 



Table 16. 

 The Descent of Hazel-eyed Families. 





Total 

 cases. 



Observed. 



Percentages. 



Light. 



Hazel. Dark. 



Light. 



Hazel. 



Dark. 



General population 



II. Parents 



4490 

 449 

 336 



948 



2746 

 267 

 165 

 430 



569 

 61 

 85 



302 



1175 



121 



86 



216 



61-2 

 60 

 49 

 45 



127 

 13 



25 

 32 



26*1 

 27 

 26 

 23 



I. Children 





Table 17. 



Calculated Contributions of Eye-colour. 



Contribution to the 

 heritage from each. 



Data limited to the eye -colours of the 



2 parents. 



4 grandparents. 



2 parents and 

 4 grandparents. 



I. 



II. 



III. 



Light. 



Dark. 



Light. 



Dark. 



Light. 



Dark. 



Light-eyed parent 



0-30 

 0-20 



0-28 



o-io 



0-30 

 0'12 



0-16 



o-io 



0'25 



0-06 



016 



o-ii 



0-25 



o-io 



0-08 

 0-05 



0-12 



0-09 

 0-25 



0-03 

 0-08 



0-06 



Hazel-eyed parent 



Dark- eyed parent 



Light- eyed grandparent.. 

 Hazel-eyed grandparent . 

 Dark-eyed grandparent . . . 



Pv,esidue, rateably as- 

 signed 



