§189.1Fr. 189
Μεταβάλλει γὰρ ὁ μὲν χαμαιλέων οὐδέν τι μηχανώμενος οὐδὲ κατακρύπτων ἑαυτὸν ἀλλʼ ὑπὸ δέους ἄλλως τρέπεται φύσει ψοφοδεὴς ὢν καὶ δειλός· συνέπεται δὲ καὶ πνεύματος πλῆθος ὡς Θεόφραστος.
For the chameleon changes its color not by devising anything, nor by concealing itself, but simply turns because of fear, being by nature timid and easily frightened by noise; and, as Theophrastus says, a large quantity of breath (pneuma) also accompanies this.
Ὄλίγον γὰρ ἀποδεῖ πᾶν τὸ σῶμα τοῦ ζώου πλῆρες εἶναι πνεύροε μονος, ᾧ τεκμαίρεται τὸ πνευματικὸν αὐτοῦ καὶ διὰ τοῦτο πρὸς τὰς μεταβολὰς εὔτρεπτον.
For almost the whole body of the animal is full of lungs, by which its pneumatic nature is proved, and for this reason it is easily adaptable to changes.