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these are of immense size, being weathered into fantastic shapes, 
and often bearing upon their upper surfaces potholes or rock 
basins of considerable size. Tle mode of the formation of these 
potholes has been the subject of much controversy, though the 
most probable hypothesis appears to be the one which attributes 
them to the action of the elements upon some slight depression 
in the surface of the rock. The wind and the rain cause the 
disintegration of the felspar and coarse-grained quartz of which 
the rock is composed, and so bring about a gradual enlargement 
of the hollow. One rock which is most curiously weathered is 
known as Robin Hood’s Bed. The boundary between Lancashire 
and Yorkshire runs for some distance along the ridge of Black- 
stone Edge, which also forms the watershed between the streams 
that flow east into the German Ocean and west into the Irish Sea. 
After spending some little time upon the summit, the party turned 
towards the north, striking the Roman Road which has lately 
attracted so much attention from antiquaries, upon the eastern 
slope of the hill. Though now covered with vegetation, the line 
of the road can be distinctly traced. It is about 14 feet wide, 
with no special features beyond the central blocks of stone 
similar to those upon the Long Causeway and elsewhere. The 
irregularity of the road at this point led to the suggestion that it 
was of Post Roman date, one of the chief characteristics of 
Roman Roads being that they led in a direct line from station 
to station. On the western slopes, however, this directness is 
very apparent, as the roadway leads straight up the hillside. 
There are other arguments in favour of the great antiquity 
claimed for it, though in the space allotted to this notice there 
is no room for the discussion of them. Near the summit, upon 
each side of the road, are evidences of rude earthworks or 
intrenchments. The gradient upon the western slope is generally 
about 1 in 5, and for nearly half-a-mile the road, though now 
for the greater part covered with peat and other herbage, presents 
a most striking appearance. The road has at several points been 
bared by the Lancashire and Cheshire Antiquarian Society, and 
a careful examination of its construction may easily be made. 
Down the centre are laid massive trough stones, end to end, and 
about three feet six inches wide. Upon either side there are set 
stones, very regular, and similar in size to those used for modern 
pavements. These are protected at the outer edge by curbstones 
set on edge, the whole forming a compact roadway 16 feet wide. 
This is flanked by a foss, the earth from which has been thrown 
up forming banks on each side. The central stones are hollowed 
to the depth of 34 inches, the sides thereof being somewhat above 
the general level of the road. Many are the theories brought 
forward to account for this remarkable feature of the roadway, 
some of which we enumerate here, no opinion being given as 
