USARGALA(Οὐσάργαλα, Ptol. 4.6.7, &c.), a very extensive mountain chain in the country of the Garamantae on the N. border of Libya Interior, and S. of Numidia and Mauretania, stretching in a NW. direction as far as Atlas. It is in this mountain that the river Bagradas has its source.
[T.H.D]