UNIVERSITY OF LONDON 

 FRANCIS GALTON LABORATORY FOR NATIONAL EUGENICS 



EUGENICS LABORATORY MEMOIRS. IV. 



ON THE MEASURE OF THE RESEMBLANCE 

 OF FIRST COUSINS 



BY 

 ETHEL M. ELDERTON, 



GALTON RESEARCH SCHOLAR IN NATIONAL EUGENICS, 

 UNIVERSITY OF LONDON 



ASSISTED BY 



KARL PEARSON, F.R.S. 



LONDON : 



PUBLISHED BY DULAU AND CO., 37, SOHO SQUARE, W. 



1907 



