214 



NATURAL INHERITANCE. 



Table 18. 

 Example of One Calculation in each oe the Three Cases. 



Ancestry and their 

 eye-colours. 



Light-eyed parents. 

 Hazel-eyed parents. 

 Dark- eyed parents . 



Light-eyed grand- 

 parents 



Hazel-eyed grand- 

 parents 



Dark-eyed grand- 

 parents 



Residue, rateably as- 

 signed 



Total contributions 



Contribute 

 to 



Light. Dark. 



0-60 



0-28 



0-88 



012 



II. 



Contribute 

 to 



Light. 



0-12 



1-00 



0-16 

 0-20 



0-25 



0-61 



Dark. 



012 

 016 



0-11 



0-39 



1-00 



a 



o 



III. 



Contribute 

 to 



Light. Dark 



016 



0-08 



o-io 



012 



0-09 

 0-25 



0'06 

 0-08 



0'06 



0-46 0-54 



1-00 



