In a well-known passage of his “Ecclesiastical History,” Bede observes that the eastern extremity of the wall of Antoninus was called by the Picts Peannfahel, and by the Anglo-Saxons Peneltun. The latter would lead us to expect a modern Pendleton; but no such name is known in the district. There is some disagreement among antiquaries as to the precise point where the vallum actually terminated. The common opinion places it at Caerriden or Carriden, adjoining the æstuary of the Forth in Linlithgowshire, chiefly on the ground of the vestiges found there of a Roman fort or station. Though Horsley does not formally controvert this opinion, it is evident that he thought there were serious objections against it, which it will be best to state in his own words:—