the sun. His conclusion is the same with regard to hearing and the other senses. The soul of man, he says, is divided into three parts, intelligence, reason, and passion. Intelligence and passion are possessed by other animals as well, but reason by man alone. The seat of the soul extends from the heart to the brain ; the part of it which is in the heart is passion, while the parts located in the brain are reason and intelligence. The senses are distillations from these. Reason is immortal, all else mortal. The soul draws nourishment from the blood ; the faculties ° of the soul are winds, for thev as well as the soul are invisible, just as the aether is invisible. The veins, arteries, and sinews are the bonds of the soul. But when it is strong and settled down into itself, reasonings and deeds become its bonds. When cast out upon the earth, it wanders in the air like the body. Hermes is the steward of souls, and for that reason is called Hermes the Escorter, Hermes the Keeper of the Gate, and Hermes of the Underworld, since it is he who brings in the souls from their bodies both by land and sea ; and the pure are taken into the uppermost region, but the impure are not permitted to approach the pure or each other, but are bound by the Furies in bonds unbreakable. The whole air is full of souls which are called genii b or heroes ; these are they who send men dreams and signs of future disease and health, and not to men alone, but to a The word \6yovs is translated above by " ratios," i.e. proportionalities. With auifxovs compare the Stoic air-currents. 6 The Greek daemons {dalnoves) are, according to Hesiod, W. and D. 121-126, superhuman beings, guardians and benefactors of mankind, watching over the earth whereon once they lived.