66 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 



72 



the so-called fire houses or " houses " of the Hopi fire people and the 

 twin mounds conspicuous on the mesa top above Sikyatki, which may 

 on excavation be found to have been devoted solely to religious 

 purposes. 



Fig. 71. — Far View Tower and Kiva, partially exca- 

 vated. Mesa Verde National Park. (Photograph by 

 Fewkes.) 



This specialization in the San Juan Valley of buildings showing 

 functional differentiation in structure is indicative of a high cultural 

 development. It is instructive to find that it is confined to prehistoric 

 stages of development and is most abundant in areas where .sedentary 

 inhabitants had disappeared before the advent of Europeans. 



