brief Greek or Roman device, such as the Middle Ages knew so well how to formulate. — Unde? Inde? — Homo homini monstrurn-Ast’ra, castra, nomen, numen. — Meya Bibklov, ueya xaxov. — Sapere aude. Fiat ubi vult — etc.; sometimes a word devoid of all apparent sense, Avayxoqpayia, which possibly contained a bitter allusion to the regime of the cloister; sometimes a simple maxim of clerical discipline formulated in a regular hexameter Coelestem dominum terrestrem dicite dominum. There was also Hebrew jargon, of which Jehan, who as yet knew but little Greek, understood nothing; and all were traversed in every direction by stars, by figures of men or animals, and by intersecting triangles; and this contributed not a little to make the scrawled wall of the cell resemble a sheet of paper over which a monkey had drawn back and forth a pen filled with ink.