NO. 



SMITHSONIAN KX I'LORATIONS. I9I3 



57 



lias yet been obtain ^ci, there is reason to suppose that it was occupied 

 by ancestors of the Tanyi, or Calal)ash, clan of the Acoma tribe, and 

 is i)()ssibly the one known to iheni as Kowina. 



These ruins consist of a number of liouse-groups forming a com- 

 pound, buih on an ahnost imiirejjjnable height, and designed for de- 



Fk;. 3g. — Small cliff-linuNc <>n the northern 

 side ofCebullita valley. Photograph by Nus- 

 baum. 



fence ; not only the groups but the individual houses have the form 

 of fortifications, while the vulnerable point of the mesa rim is pro- 

 tected by means of a rude breastwork of stones. 



The outer wall, which protects the whole mesa, is buiU of excep- 

 tionally fine masonry, probaljly the finest work to be found in ancient 



