SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. -/"J 



Fi(,. <)i;.— I iRiiio iMinitd kivas are always subterranean or surrounded by 

 walls to simulate the subterranean position required by prehistoric religious 

 conceptions. (Photograph by O. C. Havens. Courtesy of the National Geo- 

 graphic Society.) 



Fig. too. — Excavating one of the major kivas of Pueblo Bonuo. llic llat 

 roof of the subterranean room, 44 feet in diameter, had been supported bv four 

 wooden pillars. (Photograph by O. C. Havens. Courtesy of the National 

 Geographic Society.) 



