XO. 12 



SMITHSOXIAX EXPLORATIOXS. igi/ 



77 



Vn,. 79. — One of the ladders placed as a substitute for a 

 series of steps, in this case, cut into the cliff at the left of 

 the wall. The pole in ihf toreyronnd was usid liy the 

 ancients in reaching the ui)i)er cave from the main vilkiKe. 



