[21] Lophius piscatorius and also L. barbatus.
[22] Silurus glanis, L. (Strack).
[23] Probably some kind of flying squirrel.
[24] Herodotus, ii. 76; "the form of this serpent is similar to that of the water-snake; its wings are not feathered, but like those of bats:" the draco volans may have given rise to this story.
[25] The Echinidæ.
[26] Animals with long hair on their tails.
[27] Ginnus is the offspring of a mule and mare. Book vi. 24, 1.
[28] Hemionus, perhaps the foal of a horse and wild ass, and so distinct from oreus, the foal of the he-ass and mare.
[29] This mistake is again repeated in Ch. xiii.
[30] Eustachian tube.