644 EXPEDITION TO ARIZONA IN 1895 [ETH. ANN. 17 
the surface in many places (plate Cxvi1). When the excavations 
on the acropolis were begun, no traces of the biserial rows of rooms 
were detected, although the remains of the walls were traceable. The 
surface was strewn with fragments of pottery and other evidences of 
former occupaney. 
On leveling the ground and throwing off the surface stones, it was 
found that the narrow ridge which formed the top of the acropolis 
was occupied by a double line of well-built chambers which show every 
evidence of having been living rooms. The walls were constructed of 
squared stones set in adobe, with the inner surface neatly plastered. 
Many of the rooms communicated by means of passageways with adja- 
Fic, 262—The acropolis of Sikyatki 
cent chambers, some of them being provided with niches and shelves. 
The average height of the standing walls revealed by excavation, as 
indicated by the distance of the floor below the surface of the soil, was 
about 5 feet. 
The accompanying illustration (plate CXviit) shows a ground plan 
of nine of these rooms, which, for purposes of reference, are lettered 
atol, A description of each, it is hoped, will give an idea of a typical 
room of Sikyatki. Room @ is rectangular in shape, 5 feet 3 inches by 
6 feet 8 inches, and is 5 feet 8 inches deep. It has two depressions 
in the floor at the southeastern corner, and there is a small niche in the 
side wall above them. Some good specimens of mural plastering, 
