The Chaldaeans and Assyrians knew as little of perspective as they did of mechanics. When they had to figure a building and its contents, or a landscape background, they could not resist the temptation of combining many things which could not be seen from a single standpoint. Like the painters and sculptors of Thebes they mixed up in the most naive fashion those graphic processes that we keep carefully apart. All that they cared about was to be understood. We need not here reproduce the observations we made on this subject in the corresponding chapter of Egyptian Art;[415] it will suffice to give a few examples of the simultaneous employment by Ninevite sculptors of contradictory systems. [Illustration: FIG. 153.--Chaldaean plan. Louvre.] It is not difficult to cite examples of things that may, with some little ingenuity, be brought within the definition of a plan. The most curious and strongly marked of these is furnished by one of the most ancient monuments that have come down to us; we mean a statue found at Tello in Lower Chaldaea by M. de Sarzec. It represents a personage seated and holding on his knees an engraved tablet on which two or three different things are represented (Fig. 153). On the right there is one of those styles with which letters or images were cut in the soft clay, at the bottom of the tablet there is a scale which we know from another monument of the same kind to have been originally 10.8 inches in length, _i.e._ the Babylonian half-cubit or span. By far the larger part of the field, however, is occupied by an irregular figure in which the trace of a fortified wall may be easily recognized. When these monuments were first brought to France this statue was supposed to be that of an architect. When the inscriptions were interpreted, however, this opinion had to be modified in some degree. They were found to contain the same royal title as the other figure of similar style and material discovered by M. de Sarzec on the same spot, the title, namely, of the individual whom archaeologists have at present agreed to call Gudea.[416] It therefore seems to represent that prince in the character of an architect, as the constructor of the building in which his statues were placed as a sacred deposit. Must we take it to be the plan of his royal city as a whole, or only of his palace? It is difficult to answer this question, especially while no precise information has been obtained from the inscriptions, whose interpretation presents many difficulties. There can, however, be no doubt that the engraver has given us a plan according to his lights of a wall strengthened by flanking towers, of which those with the boldest salience guard the six passages into the interior.