Page:Early Man in Britain and His Place in the Tertiary Period.djvu/101

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CHAP. IV.]
GEOGRAPHY OF BRITAIN IN PLEIOCENE AGE.
73

of Suffolk and Essex (See Fig. 10). The Pleiocene coastline touched also the eastern coast of Scotland near Aberdeen, where Red Crag strata are met with containing the characteristic shell, Voluta Lamberti.[1] This depression, by which the Arctic became continuous with the

Fig. 10.—Geography of Britain in the Pleiocene Age.

North Sea, caused it also to become connected with the Atlantic. The Atlantic coast-line at this time may be taken to be marked by the steep slopes passing downwards from the 100-fathom line to 300 or 400

  1. Jamieson, Quart. Journ. Geol. Soc. Lond. xxi. p. 474.