The eastern opening in the northern wall, opening into the east room, is well preserved except the top, which is missing.  It measured 4 feet 21/2 inches in height and 1 foot 11 inches wide at the bottom, the top being nearly an inch narrower.  It carried two tiers of lintels of medium size.

The gap in the southern wall of the southern room, shown in the plan, though now open from the ground up, represents the location of two doorways, one above the other.  Remains of both of these can still be seen on the ends of the walls.  No measurements can be obtained.  The large fallen block near the southwestern corner of the room, which undoubtedly slipped down from above, shows a finished surface at the ground level inside, but above it no trace of an opening can be seen, possibly because the ends of the walls above are much eroded.

[Illustration:  Pl.  LIX:  Remains of Lintels.]

The upper opening in the eastern wall of the eastern room was apparently capped with a single lintel composed of five sticks 4 to 6 inches in diameter laid level on the top of a course of masonry.  The bottom of the opening is filled either with washed-down material or with the remains of a block such as that previously described.  This opening is the most irregular one in the building, the top being nearly 4 inches narrower than the bottom, but the northern side of the opening is vertical, the southern side only being inclined inward.  The opening was 4 feet 11 inches high and 1 foot 81/2 inches wide at the bottom.  The opening immediately below that described, which was the ground floor entrance from the east, is so much broken out that no evidence remains of its size and character.  There appears to have been only one row of lintel poles.

The eastern opening in the southern wall of the northern room is well preserved, the lintels having been torn out by relic hunters without much destruction of the surrounding masonry.  It was neatly finished, and its bottom, was probably a little above the first roof level.  The edges of the openings were made straight with flat sticks, either used as implements or incorporated into the structure, and forming almost perfectly straight edges.  Marks of the same method of construction or finish are apparent in all the other openings, but the remains are not so well preserved as in this instance.  Possibly the immediate lintels of openings were formed of thin flat sticks, as the lintel poles are often some inches above the top of the opening.  In this opening the supporting lintel was formed of a number of poles 2 to 4 inches in diameter, irregularly placed, sometimes two or three in vertical series with very little filling between them.  This construction has been characterized as a Norman arch.  The opening was originally 1 foot 11 inches at the top and 4 feet 6 inches high.  The bottom is 11/2 inches wider than the top.