140.] This plan particularly affected Britain.

All the conquests of Agricola to the northward of the Tyne were relinquished, and a strong rampart was built from the mouth of that river, on the east, to Solway Frith, on the Irish Sea, a length of about eighty miles.

But in the reign of his successor, Antoninus Pius, other reasonings prevailed, and other measures were pursued.

The legate who then commanded in Britain, concluding that the Caledonians would construe the defensive policy of Adrian into fear, that they would naturally grow more numerous in a larger territory, and more haughty when they saw it abandoned to them, the frontier was again advanced to Agricola's second line, which extended between the Friths of Forth and Clyde, and the stations which had been established by that general were connected with a continued wall.
[Sidenote: A.D.

207] [Sidenote: A.D.