the top was completely broken away and merged with the opening above,
but the bottom, which is also the floor level, is 6 feet 9 inches below
the level of the first roof beams. The doorway of the second story is
preserved only on the northern side. Its bottom, still easily
distinguishable, is 1 foot 6 inches above the bottom of the floor beams.
It was not over 2 feet wide and was about 4 feet high. The upper doorway
is still well preserved, except that the lintels are gone. It is about
three inches narrower at the top than at the bottom and about 4 feet
high.

In addition to its three doorways, all in the eastern wall, the middle
tier of rooms was well provided with niches and holes in the walls, some
of them doubtless utilized as outlooks. On the left of the upper doorway
are two holes, a foot apart, about 4 inches in diameter, and smoothly
finished. Almost directly above these some 3 feet, and about 2 feet
higher than the top of the door, there are two similar holes. Near the
southern end of the room in the same wall there is another round opening
a trifle larger and about 4½ feet above the floor level. In the western
wall there are two similar openings, and there is one each in the
northern and southern walls. All these openings are circular, of small
diameter, and are in the upper or third story, as shown on the
elevations herewith, figure 330. The frequency of openings in the upper
or third story and their absence on lower levels, except the specially
arranged openings described later, supports the hypothesis that none of
the rooms except the middle one were ever more than two stories high and
that the wall remains above the second roof level represent a low
parapet.

[Illustration: Pl. LVIII: Square Opening in South Room.]