The Study 



of 



Animal Life 



BY 



j; ARTHUR THOMSON M.A., F.R.S.E. 



LECTURER ON ZOOLOGY, SCHOOL OF MEDICINE, EDINBURGH ; 



JOINT-AUTHOR OF ' THE EVOLUTION OF SEX' 



AUTHOR OF 'OUTLINES OP ZOOLOGY ' 



WITH ILLUSTRATIONS 



NEW YORK 

 CHARLES SCRIBNER'S SONS 



743 & 745 BROADWAY 

 1892 



