The walls at Matindela are nowhere more than fifteen feet in height, nor are the courses nearly as regular as those at the Great Zimbabwe; but the great feature of interest is here the arrangement of the patterns, which establish beyond a doubt that they were inserted in the walls for a more complex purpose than mere ornamentation. The arrangement of these patterns is as follows: First to the south-east comes the herring-bone pattern, running over the chief entrance as a lintel for six yards. Here it ends, and two feet below begins the dentelle pattern for the same distance; then the pattern stops altogether on the outside, but there are indications that it was continued on the inside instead. Then it is again inserted for forty feet on the outside, and finally is again put on the inside for the remainder of its extent—namely, thirteen feet. Above the pattern and nearly over the principal entrance a curious loophole is still left standing, and the best portion of the wall has been battlemented, the outside portion being raised in front two or three feet higher than the back. The wall is eleven feet six inches at its thickest, and on the top of it we saw holes in which monoliths evidently once stood, as they did on the wall of the circular building at the Great Zimbabwe. Another very marked feature at Matindela is that the doorways are all square, like those at the Lundi ruin, and not rounded off, as those at Zimbabwe, and then again all these doorways have been walled up in an uniform fashion, the courses corresponding exactly to those of the rest of the wall. In the original construction of the building certain spaces of seven feet had been left in the wall; two feet on either side had then been built up, thus leaving an entrance of three feet, which entrance in its turn had also been walled up. Here, as at the Great Zimbabwe, the theory at once occurred to me that these places had been walled up at a time of siege; but when one takes into consideration the care with which these apertures have been walled up, and the triple nature of the added wall, this theory seems untenable. The walling up of the pylons in certain Egyptian temples at Karnak, which Prof. Norman Lockyer brought before my notice, seems an apt parallel, though the reasons for so doing do not seem to my mind at present sufficiently proved. It must also be borne in mind that the walling up of the principal entrance at Matindela must have taken place prior to the construction of the pattern which rests upon it. The interior of this building, as will be seen from the plan, was divided up into chambers, as the other ruins at Zimbabwe, but the walls here are much straighter, and the circular system of construction seems to have been more or less abandoned. I take it that this ruin at Matindela was constructed by the same race at a period of decadence, when the old methods of building had fallen into desuetude.