[182] See B. iv. c. 31.
[183] See B. iv. c. 22.
[184] See B. v. c. 29.
[185] Φαλακροκόραξ. See B. x. c. 68.
[186] He borrows this from Aristotle.
[187] B. viii. c. 54, and B. x. c. 58. The skull of the bear is not thinner or weaker than that of other animals of its own size; but the skull of the parrot, in proportion to those of other birds, is remarkably hard.
[188] See B. vii. c. 1.
[189] Cuvier says that these are the larvæ of the œstrus, which are deposited on the lips of quadrupeds, and so make their way to various cavities.
[190] B. ix. c. 40.
[191] Or razor-sheath. See B. x. c. 88.