THE 



ANCIENT LIFE- HISTORY 



THE EARTH 



A COMPREHENSIVE OUTLINE OF THE PRINCIPLES 



AND LEADING FACTS OF FALCON- 



TOLOGICAL SCIENCE 



H. ALLEYNE NICHOLSON 



M.D., D.Sc., M.A., PH.D. (G5TT.), F.R.S.E., F.L.S. 



PROFESSOR OF NATURAL HISTORY IN THE 

 UNIVERSITY OF ST ANDREWS 



NEW YORK: 

 D. APPLETON AND COMPANY, 



72 FIFTH AVENUE. 

 1897. 



