PLATE II. 



Fig. 7. Cliff-house, in the face of a bluff 1,000 feet in height, 800 feet above the ground, 

 near the lower end of the caiion of the Mancos. See page 24. 



Fig. 8. Showing the tenacity of the cementing material of these people. Time has rent 

 asunder the rocks upon which this house stood, but each portion still remains firmly at- 

 tached to its foundation. (Mancos Caiion, page 23.) 



Fig. 9. A square tower upon the summit of an isolated rock, in the valley of the McElmo, 

 Utah. Page 27. 



Fig. 10. An isolated rock in the valley of the McElmo, covered with ruined houses and 

 walls. A Moquis tradition says that there, in ages past, their ancestors made their last 

 stand against the northern barbarians before retreating to their present villages. See 

 page 28. 



Fig. i I. Ground-plan of an extended series of houses, one hundred yards in length, arranged 

 upon a rocky bluff, in the valley of the Hovenweep, Utah. See page 30. 



