its continuation towards Falkirk, that Cordon wrote when he
said, that for nearly three miles " the wall is to be seen in
its greatest and highest perfection."1 The remark, happily,
still holds true.
The road from Bonnybridge over Bonnymuir, after crossing a
railway bridge, intersects the vallum south of Bonnyside house,
and a few yards north of Elfhill. Here the vallum enters
woodland, in which it continues for about 2 miles; and it is to
the absence of any disturbance by agriculture that its admirable
preservation is due.
Bonnyside.—Section No. 1. PLATE IV.
[Section of vallum, fosse, and outer mound.]
The military way appears to have gone round the south side
of Elfhill, while the vallum passed along on the north side.
gily traceable in the little woodland enclosure
its, on the opposite side of the Bonnybridge
which section Bonnyside No. 1 is situated.
Lo yards east of the stone wall bounding
^nnybridge at Bonnyside house, where the
ted by that road. The ground slopes slowly
litary way to the vallum, beyond which the
iues. The vallum at this section stands 3 feet
; above base. The kerbs of the base are of
and the bottoming of rough stone is of what
regard as normal character. The base breadth
to face of kerb is 15 feet. The soil of the
tish sand, but the black lines are here so
brm a prominent and considerable portion of
jeed, is the case in all the Bonnyside sections,
is of the whitish clayey substance in this
are a few small stones. The largest stone—
large one—is 4 inches by 3. The layering
i to escape the eye of the most casual visitor,
jjnost deserve to be called streaks. Ten of
I continuous, and generally thick, travel in
1 Itin. Sept., p. 57.