Page:Early Man in Britain and His Place in the Tertiary Period.djvu/68

40 genera of placental mammals have been identified in the lower Meiocene, while the opossum, the last representative of the marsupials in Europe, is not found in either of the later stages.

The sea of the Meiocene age touched only one portion of Britain, at Hempstead (Fig. 6), in the Isle of Wight, where strata, 170 feet thick, partly of