No. 562] THE PROBLEM OF INBREEDING 597 



Pedigree Table VIII— Continuation of VII 



No. 7 8 



Pedigree Table IK— Continuation of VII 



Pedigree Table X— Continuation of VII 



_No^_7j 8 I 9 10 



In dealing with this pedigree it will be assumed, in the 

 absence of information on the point and the impossibility 

 of acquiring any, that any imported animal was not in- 

 bred to any degree whatsoever. This is probably not 

 often strictly true, but, on the other hand, some assump- 

 tion must be made, and this puts all individuals on an 

 equal footing. It is in accord with the principle laid down 

 earlier (p. 585) that in pedigree analysis all individuals 



