T 5 H A 



The 



Earth before History 



Man's Origin and the Origin of Life 



By 

 EDMOND PERRIER 



Late Professor of Comparative Anatomy at the Musium d' 'LListoire Katurelle, 

 Alembre de FAcadc'mie des Sciences et de PAcadc'mie de Mididne. 



NEW YORK 



ALFRED A. KNOPF 



1925 





