International Science library 

 THE 



ANCIENT LIFE-HISTORY 



OF 



THE EARTH 



A COMPREHENSIVE OUTLINE OF THE PRINCIPLES AND LEADING 

 FACTS OP PALAEONTOLOGICAL SCIENCE 



BY 



H. 'ALLEYNE NICHOLSON 



M. D., D. Sc., M.A.. PH.D. (Gorr.), F. R. S. E., F. L. S. 



PROFESSOR OF NATURAL HISTORY IN THt 

 UNIVERSITY OF ST. ANDREWS 



Tiderner Company 



JSooh flftanutactur.:re 



fc r o n , bio 



