ks of rock on the skirts of the hills, and in the middle
of the valleys; and as these hummocks, whatever may be the direction
of the valleys, invariably present a smoothed side up, and an abrupt
side downwards (_stoss-seite_ and _lee-seite_ of the Scandinavian
geologists), it becomes certain that the glaciers proceeding from the
mountains at the upper extremities were local to the several valleys.
The smoothed hummocks are very noticeable in Derwentwater or
Borrowdale, the celebrated Bowderstone resting on one; a particularly
fine low surface appears at Grange, near the head of the lake. At
Patterdale, in Ulleswater Valley, the rocks are so much marked in this
manner, that the whole place bears a striking resemblance to the
sterile parts of Sweden; and some small rocky islets, near the head of
the lake, are unmistakable _roches moutonnees_. The two valleys
descending in opposite directions from Dunmail Raise, have had
glaciers proceeding from some central point: in that of Thirlwater,
the rounded hummocks are conspicuous at Armboth; in the other, near
Grasmere, and near the Windermere Railway Station. In all these cases,
the characteristic striation, or scratching produced on rock-surfaces
by glaciers, is more or less distinct, according as the surface may
have been protected in intermediate ages. Where any drift or alluvial
formation has covered it, the polish and striation are as perfect as
if they had been formed in recent times, and the lines are almost
invariably in the general direction of the valley.

* * * * *

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Also sold by W. S. ORR, Amen Corner, London; D. N. CHAMBERS, 55 West
Nile Street, Glasgow; and J. M'GLASHAN, 50 Upper Sackville Street,
Dublin.--Advertisements for Monthly Parts are requested to be sent to
MAXWELL & Co., 31 Nicholas Lane, Lombard Street, London, to whom all
applications respecting their insertion must be made.

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