τεκμήριον δὲ τῶν μὲν τοιούτων ὀρνίθων ἐπίλειψις σαφὴς ἐγένετο, καὶ οὐχ ἑωρῶντο οὔτε ἄλλως οὔτε περὶ τοιοῦτον οὐδέν· οἱ δὲ κύνες μᾶλλον αἴσθησιν παρεῖχον τοῦ ἀποβαίνοντος διὰ τὸ ξυνδιαιτᾶσθαι.

Lucretius, in imitating Thucydides, thus expresses himself:

“Nec tamen omnino temere illis solibus ulla

Comparebat avis, nec noctibus secla ferarum

Exibant sylvis; languebant pleraque morbo

Et moriebantur; cum primis fida canum vis

Strata viis animam ponebat in omnibus ægram;

Extorquebat enim vitam vis morbida membris.”

“No longer birds at noon, nor beasts at night,

Their native woods deserted; with the pest