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366
EAST ASIA.
innumerable channels, winds round the hilly district, stretching east of Ycdo
(Tokio) Bay. The sedimentary matter brought down by this river, encroaching
simultaneously on both sides, has completely effaced the old marine inlet, so that
the island is now connected with the mainland by marshy plains, which have become
gradually solidified. But although thus now rooted in the mainland, the three
Fig. 171. OGA-SIMA ISLAND, AND OHOKATA-HATSIRO SKA.
Scale 1 : 500,000.
12 Miles.
sections of the eastern coast range are distinguished from all the others by the
total absence of volcanoes. Yet along the base of these schistose hills the most
unequivocal evidences have been discovered of the upheaval
of the land. The
little port of Kisenuma, lying north of Sendai Bay, was still much frequented till
the middle of the present century, but is now abandoned, in consequence of the