THE INTERNATIONAL SCIENTIFIC SERIBS 'o^^'^'^^' **•• 



THE 



C 





GEOLOGICAL HISTORY 

 OF PLANTS 



BY 



SIE J. WILLIAM DAWSON 



C. M. O., LL. D., F. R. S., &c. 



WITH ILLUSTRATION 







'. • • • - 



N^^W YORK 

 D. APPLEx.,.^ Af^D COMPANY 



1888 



