EVOLUTION AND 

 THE WAR 



Pf CHALMERS MITCHELL 



M.A. (aBERDON.), M.A., D.SC. (oXOn), LL.D. (aBERDON. ET WEST. 



UNIV. Pennsylvania); f.r.s., f.l.s., f.z.s. secretary to the 



ZOOLOGICAL SOCIETY OF LONDON ; HONORARY MEMBER OF 

 THE ROYAL ZOOLOGICAL SOCIETY OF IRELAND ; HONORARY 

 FELLOW OF THE ZOOLOGICAL SOCIETY OF SCOTLAND ; 

 HONORARY MEMBER OF THE ROYAL ZOOLOGICAL 

 SOCIETY "naTURA ARTIS MAGISTRA," AMSTER- 

 DAM ; CORRESPONDING MEMBER OF THE 

 ACADEMY OF NATURAL SCIENCES 

 OF PHILADELPHIA. 



LONDON : 

 JOHN MURRAY, ALBEMARLE STREET, W. 



1915 



