[206] Ibid. lib. ii, cap. 4.
[207] Ibid. lib. i, cap. 20.
[208] [The word anima of the original, which is translated soul above, I shall in what follows generally render vital principle. Ed.]
[209] Op. cit. p. 8.
[210] Gener. Anim. lib. ii, cap. 1.
[211] Ænëid. vi.
[212] Arist. Hist. Anim. lib. v, cap. 32.
[213] De Gen. Anim. lib. iii, cap. 2.
[214] Ibid. lib. iv, cap. 10.
[215] De Gener. Anim. lib. ii, cap. 3.