15.

These places were of the greatest celebrity when they formed the keys of the straits. There were frequent contests for the ascendency between the inhabitants without and those within the straits. Philip used to call Chalcis and Corinth the fetters of Greece with reference to the opportunity which they afforded for invasions from Macedonia; and persons in [Pg 130]

[CAS. 429] later times called both these places and Demetrias “the fetters,” for Demetrias commanding Pelion and Ossa, commanded also the passes at Tempe. Afterwards, however, when the whole country was subject to one power, the passes were freely open to all.481