rewKes] HISTORY 15 
western end of the northern wall, not far from the corner, there is an opening just 
above the line of the second floor. The line of insertion of a possible third floor can 
be easily traced above the northern passageway. 
The western wall of the room is pierced by a single circular and a rectangular 
window, situated in the same story as the northern passageway above mentioned, 
about on a level with the top of the door or opening on the northern side. [Fig. 9.] 
This single opening lies midway between the northwestern and southwestern corners 
of the room. 
Fic. 8. Interior of room, showing doorway and lines of floor. 
The southern wall of the north room (A) shows certain architectural details in con- 
struction which are characteristic. Two openings lead from the chamber A into 
adjoining rooms. One of these opens into the eastern chamber D; the other into the 
western, B. There is no passageway from room A into the middle chamber, C, but 
through the wall into chamber B is a broad opening through that portion of the wall 
which forms the second story. This is undoubtedly artificial, as the sides of it are 
smooth and resemble similar jambs in doorways and windows of inhabited pueblos. 
Their surface wall is smooth, and they are nearly vertical. Below this opening the 
