[172] For without mentioning those animals which have the faculty of judgment, consider also some of those which are the objects of judgment, such as the chameleon and the polypus; for they say that the former of these animals changes his complexion so as to resemble the soils over which he is accustomed to creep, and that the other is like the rocks of the sea-shore to which it clings, nature herself, perhaps, being their saviour, and endowing them with a quality to protect them from being caught, namely, with that of changing to all kinds of complexions, as a defence against evil.