THE CHAIN OY LIFE. 

 ILilar to those now Uving in the same latitudes from 



"tSow trace this flora ,hro„sH the -cee^ng ages j^^ 

 „hich I shall follow pretty closely some g^^b" 

 ™ade by Count l)e Saporta in --""'-/^^^^''^d trm 



At the beirinnin<r of the Eocene we find a humid ana wa 

 dim tttn Slperwith great forests of oaUs, che-ut. aurd • 

 giant pines, and other genera some of the^n ^^^^ 

 others Asiatic or American, and many of them survivor 



Fig i59.-Eoeene Leaves. From Aix. 



cretaceous (Figs r5,to;6.). and at^^ 



ni\v~:: from ut r Creteous sea, and there vast 



TbTdl of brown coTsome of them eighteen feet in thick- 



Tteri came in kurope and Asia that great subsidence 



" . ■ t?e seaXing whic, the Nummuline limestones were 

 under the ^^^''^^^^^ ^^^.^^^^^ ^^^ ^^^„,,,d 



irl 'a^htCof islands, perhaps closely connected 



