Aeromancy
The art of foretelling future events by the observation of atmospheric phenomena, as, for example, when the death of a great man is presaged by the appearance of a comet. François de la Tour Blanche says that aeromancy is the art of fortune-telling by means of spectres which are made to appear in the air, or the representation by the aid of demons, of future events, which are projected on the clouds as if by a magic lantern. As for thunder and lightning," he adds, "these are concerned with auguries, and the aspect of the sky and of the planets belong to the science of astrology." Aetites or Aquilaeus : A precious stone of magical properties, composed of oxide of iron with a little silex and alumina, and said to be found in the stomach or neck of the eagle. It is supposed to heal falling sickness, and prevent untimely birth. It should be worn bound on the arm to prevent abortion, and on the thigh to aid parturition. “