218 



NATURAL INHERITANCE. 



Table 21. 



Error in Calculations. 



Numbers of Errors of various Amounts in the 3 Calculations, Table 20, of the 



Number of Light Eye-coloured Children in the 78 Families. 



Data employed referring to 



Amount of Errors. 



Total 



Cases. 



o-o 



to 

 0-5. 



0'6 

 to 

 1-1 



1-2 

 to 

 1-7 . 



1-8 

 to 

 2-3 



2*4 

 and 

 above. 



I. The 2 parents onlv 



19 

 16 



41 



30 

 28 



17 



18 

 10 



8 



5 

 10 



4 



6 



14 



8 



78 

 78 



78 



II. The 4 grandparents only. ...-. 

 III. The 2 parents and 4 grand- 





Table 22. 

 Inheritance of the Artistic Faculty. 



Parents. 



Children. 



Observed. 



Per cents. 



Number 



of 

 Fraterni- 

 ties. 



Total 

 children. 



Of whom 



are 

 artistic. 



Observed. 



Calculated. 



art. 



not 

 art. 



art. 



not 

 art. 



Both artistic 



30 

 101 

 150 



148 

 520 

 839 



95 

 201 

 173 



64 

 39 

 21 



36 

 61 



79 



60 

 39 

 17 



40 

 61 

 83 



One artistic; one not.. 



Totals 



281 



1507 



469 



100 



100 



100 



100 





The "parents " and the " children " in this Table usually rank respectively as 

 Grandparents and Parents in the K.F.F. pedigrees. 



