[176] Hist. Anim. lib. vi, cap. 3.
[177] Ornithologia, lib. xiv, p. 217.
[178] Loc. supra cit.
[179] Ib.
[180] Liber de Anima.
[181] Op cit. p. 217.
[182] De Generat. Animal. lib. iii, cap. 4.
[183] De Gener. Anim. lib. iii, c. 2.
[184] Hist. Anim. lib. vi, c. 2.
[185] Ib. lib. viii, c. 5.