The work of these three was carried out principally in the easternmost part of Polynesia.
The northern portion of it consists of a lofty ridge with two summits, the westernmost of which is occupied by the modern town (985 ft.), while the easternmost, which is slightly higher, bears the name of Rock of Athena, owing to its identification in modern days with the acropolis of Acragas as described by Polybius, who places upon it the temple of Zeus Atabyrius (the erection of which was attributed to the half mythical Phalaris) and that of Athena.'
Most of the rocks or soils composing its surface were formed as submarine deposits; the easternmost and southernmost parts are true river deposits.
In Gregory of Tours this word is still used vaguely, but the sense of it is gradually defined, and finally the name of Austria or Austrasia was given to the easternmost part of the Frankish kingdom.
The easternmost penetration of the Downs is that effected by the Stour (Great Stour) which rises on their southern face, flows S.E.