Passage 8.42.2
τὸ δὲ ἀπὸ τούτου λέγουσι θυμῷ τε ἅμα ἐς τὸν Ποσειδῶνα αὐτὴν καὶ ἐπὶ τῆς Περσεφόνης τῇ ἁρπαγῇ πένθει χρωμένην μέλαιναν ἐσθῆτα ἐνδῦναι καὶ ἐς τὸ σπήλαιον τοῦτο ἐλθοῦσαν ἐπὶ χρόνον ἀπεῖναι πολύν. ὡς δὲ ἐφθείρετο μὲν πάντα ὅσα ἡ γῆ τρέφει, τὸ δὲ ἀνθρώπων γένος καὶ ἐς πλέον ἀπώλλυτο ὑπὸ τοῦ λιμοῦ, θεῶν μὲν ἄλλων ἠπίστατο ἄρα οὐδεὶς ἔνθα ἀπεκέκρυπτο ἡ Δημήτηρ, τὸν δὲ Πᾶνα ἐπιέναι μὲν
After this event, they say, in anger towards Poseidon and grief over the rape of Persephone, Demeter dressed herself in black clothing and departed into this cave, remaining absent there for a long period. Meanwhile, everything that grows upon the earth began to wither away, and the race of mankind especially suffered, perishing increasingly from the famine. None of the other gods knew where Demeter had concealed herself, but Pan, setting out...