China, as we have said, does not enter into our purview; and as for Egypt, the deeper we penetrate into her history the more are we convinced that her long career was troubled by moments of crisis similar to those which have come to other human societies. The narratives of the Greek historians give us reason to suspect that it was so, and the monuments which have been discovered insist upon the same truth, and compel us to accept it. For certain epochs these are very abundant, beautiful, and varied. Afterwards they become rare and clumsy, or altogether wanting; and again they reappear in great numbers and in their full nobility, but with a different general character. These contrasts and temporary eclipses occur again and again. How, then, can we doubt that here, as elsewhere, there were alternations of grandeur and poverty, of periods of conquest and expansion and epochs of civil war or of defeat by foreign invaders? May we not believe that through the clouds which obscure the causes of such changes we may catch glimpses of those periods of decadence and renascence which, following one upon the other, exhausted in the end the genius of the race? Let us take a single example--the most striking of all. "After the sixth dynasty all documents cease; they are absolutely wanting until the eleventh, the first of the Middle Empire. This is one of those sudden interruptions in the history of Egypt which may be compared to the temporary disappearance of those curious rivers which run partly underground."[88] [88] M. MELCHOIR DE VOGÜÉ, _Chez les Pharaons_ (_Revue des Deux Mondes_ of Jan. 15, 1877). [Illustration: FIG. 47.--Statue from the Ancient Empire, in limestone. Boulak. Drawn by Bourgoin.]