THE MAKING 
OF SPECIES 
BY DOUGLAS DEWAR, B.A. (Cantab), I.C.S., F.Z.S. 
AND FRANK FINN, B.A. (Oxon), F.Z.S., M.B.O.U. 
WITH FIFTEEN ILLUSTRATIONS 3% 3 
LONDON: JOHN LANE THE BODLEY HEAD 
NEW YORK: JOHN LANE COMPANY MCMIX 
