DARWINISM 



AND 



RACE PROGRESS 



BY 



JOHN BERRY HAYCRAFT 



M.D., D.Sc., F.R.S.E. 

 Professor of Physiology, University College, Cardiff 



THIRD IIIUl7efiNJ EDITION 



LONDON 

 SWAN SONNENSCHEIN & CO,, LTD, 



NEW YORK : CHARLES SCRIBNER'S SONS 

 1908 



