
BANKS OF THE TWEED AND SOME OF ITS TRIBUTARIES. 555 
Mr Austin describes a sea margin on the Devonshire coast from 60 to 
70 feet above the sea (also “ Geolog. Journ.” vol. vii. p. 128.) 
Sir CHARLES LYELL, in his “ Antiquity of Man ” (p. 112), speaks of ‘‘ marine 
shells of recent species in the drift on the banks of the Severn, 100 feet or 
more above the level of that river.” 
Mr Danpy describes a raised beach in Jersey at the height of 100 feet above 
the sea (‘ Geol. Mag.” vol. ii. No. 3, New Series.) 
Mr Cummine of London describes a terrace at from 100 to 115 feet as 
existing through the great glen west of Inverness, and as traceable along the 
coasts of Ross-shire, Sutherland, and Caithness, and also in Nairn and Moray 
shires. Having described at that height a great gravel platform in the Isle 
of Man, he states that he has no doubt that it belongs to the same period, 
and is due to the same cause as the terrace in the north-eastern counties of 
Scotland. ! 
I have visited some of the places mentioned by Mr Cummine at and near 
Inverness. I can vouch for an extensive flat there about 90 feet, and a lower 
flat about 25 feet above high-water mark (spring tides). At Kessock Ferry, I 
found terraces at respectively 86 and 25 feet above the sea-level, both of which 
I traced eastward along the coast for some miles, viz., to Rosemarkie. West- 
ward of Inverness there is a horizontal terrace at Dunain, and another in Loch 
Ness, both of them about 90 feet above the sea, visible near Dochfour House, 
at Urquhart, as also on Loch Oich. If these flats were, as is probable, part of 
a sea bottom, it is not to be expected that they should all be precisely on one 
horizontal level. The portions remote from the ancient shore would be at a 
lower level. 
Captain Beprorp describes an old sea margin, as seen by him at Loch 
Tarbert at the height of 105 feet above the sea. (“Geol. Soc. Journ.” for 
1855, vol. xi. p. 549.) 
The Rev. Mr Brown, in the paper published in our Transactions, to which 
I have already alluded, speaks of what he calls a “ high level terrace” seen by 
him near the River Earn, more than 100 feet above the sea. (“R.S. E. Trans.,” 
vol. vi. p. 14.) 
These statements seem to put almost beyond doubt, the fact that in 
recent (geological) times the sea has stood, and stood for long periods, at the 
levels above specified. But if further proof were needful, it would be afforded 
by the discovery of sea shells of existing species in the drift deposits of Aber- 
deenshire, Dumbartonshire, and Lanarkshire, at numerous places up to a 
height of 526 feet above the sea; and in England, at more than double that 
height, 
I have dwelt at length on the evidence that the sea has stood at these con- 
_ siderable heights on the land, for two reasons. It will immediately be pointed 
