EVERYBODY is familiar with the lunar appearance popularly known as "the old moon in the arms of the new," in which a dark disc is seen within the crescent. Precisely this phase was adopted as one of the most frequent crests to be seen upon the head of more than one of the Egyptian gods and goddesses. Thoth or Tehuti, 284 the scribe who weighed the souls when brought to judgment ("in one aspect he is the god of the moon"), and Chonsu, the hawk-headed, are both represented with the crescent and…