What is the Principal Part of the Soul, and in what Part of the Body it Resides.

Plato and Democritus place its residence in the whole head. Strato, in that part of the forehead where the eyebrows are separated. Erasiatratus, in the Epikranis, or membrane which involves the brain. Herophilus, in that sinus of the brain which is the basis of it. Parmenides, in the breast; which opinion is embraced by Epicurus. The Stoics are generally of this opinion, that the seat of the s............