306 I The Process of Evolution 



Fig. 13.1 I Diagram of relationships of specimens of Euphtjdrijas editha 

 obtained from Q matrix by the weighted variable group method. Ordinate 

 is the correlation coefficient multiplied by one thousand. ( From Ehrlich, 

 1961,Syst.Zool. 10.) 



2 10 13 3 9 11 12 7 8 4 



1,000 



CM 



CD 

 Q 

 O 

 O 



CO 

 1 — I 



CD 

 Q 

 O 

 O 



900 



800 



700 



600 



■^ 



500 



400 



300 



200 



