But all these things, singular as they are, are rendered credible by a marvel which exceeds them all, at the time of the inundation of the Nile; for, the moment that it subsides, little mice[1] are found, the first rudiments of which have been formed by the generative powers of the waters and the earth: in one part of the body they are already alive, while in that which is of later formation, they are still composed of earth.