[316] Op. cit. p. 34.
[317] Op. cit. p. 54.
[318] Ib. p. 57.
[319] Ib. p. 55.
[320] Op. cit. p. 55.
[321] Op. cit. p. 55.
[322] Hist. Anim. lib. vi, cap. 3.
[323] Hist. Anim. lib. 5, cap. 1.
[324] Hist. Anim. lib. i, cap. 5.
[325] De Gen. Anim. lib. iii, cap. 9.