Glasgow Archaeological Society [Hrsg.]: The Antonine Wall report: being an account of excavations, etc., made under the direction of the Glasgow Archæological Society during 1890 - 93 (Glasgow, 1899)

THE ANTONINE WALL REPORT. 73

and not continuous, tailing off into a lighter tint which fades
away at points into a reddish brown. The bottom layer is a

thick deep black, and, at one point of it, underneath a part of the
section which was not cut out but left in situ, as a transverse