40 



EARLY MAN IN BRITAIN. 



[CHAP. in. 



genera of placental mammals have been identified in the 

 lower Meiocene, while the opossum, the last representa- 

 tive of the marsupials in Europe, is not found in either 

 of the later stages. 



Range of Living Genera in Meiocenes of Europe. 



LOWER MID 



MEIOGENE. MEIOCENE. 



France. 



x 

 x 



x 



X 

 X 

 X 



France. 

 x 

 x 



UPPER 

 MEIOCENE. 

 Middle and 

 S. Europe. 



The Southern Seaboard. 



The sea of the Meiocene age touched only one 

 portion of Britain, at Hempstead (Fig. 6), in the 

 Isle of Wight, where strata, 1 70 feet thick, partly of 



