XV 



LYCAS BRIDGE 



357 



cemented together by the deposits of the neighbouring hot 

 springs. It appears as if the stream had scooped out a channel 

 on one side, leaving an overhanging ledge, which was met by 

 earth and stones falling down from the opposite cliff. Certainly 



BRIDGE OF THE IN'CAS — USPALLATA PASS. 



an oblique junction, as would happen in such a case, was very 

 distinct on one side. The Bridge of the Incas is by no means 

 worthy of the great monarchs whose name it bears. 



$th. — We had a long day's ride across the central ridge, 

 from the Incas Bridge to the Ojos del Agua, which are situated 

 near the lowest casiicha on the Chilian side. These casuchas 



