By the end of November several entire chambers had been excavated at Kouyunjik, and many bas-reliefs of great interest had been discovered. The four sides of the hall, part of which has already been described,[32] had now been explored.[33] In the centre of each side was a grand entrance, guarded by colossal human-headed bulls.[34] This magnificent hall was no less than 124 feet in length by 90 feet in breadth, the longest sides being those to the north and south. It appears to have formed a centre, around which the principal chambers in this part of the palace were grouped. Its walls had been completely covered with the most elaborate and highly-finished sculptures. Unfortunately all the bas-reliefs, as well as the gigantic monsters at the entrances, had suffered more or less from the fire which had destroyed the edifice; but enough of them still remained to show the subject, and even to enable me in many places to restore it entirely. The narrow passage leading from the great hall at the south-west corner had been completely explored. Its sculptures have already been described.[35] It opened into a chamber 24 feet by 19, from which branched two other passages. The one to the west was entered by a wide doorway, in which stood two plain spherical stones about three feet high, having the appearance of the bases of columns, although no traces of any such architectural ornament could be found. This was the entrance into a broad and spacious gallery, about 218 feet long and 25 wide. A tunnel at its western end, cut through the solid wall, as there was no doorway on this side of the gallery, led into the chambers excavated by Mr. Ross, thus connecting them with the rest of the building. I have already described the bas-reliefs representing the conquest of a mountainous country on the southern side of the great hall.[36] The same subject was continued on the western wall, without much variety in the details. But on the northern, the sculptures differed from any others yet discovered, and from their interest and novelty merit a particular notice. But before giving a description of them, I must return to the long gallery to the west of the great hall, as the sculptures still preserved in it form part of and complete this important series.