Plutarch, De Iside et Osiride 30

ὁ μὲν γὰρ Ὄσιρις καὶ ἡ Ἶσις ἐκ δαιμόνων ἀγαθῶν εἰς θεοὺς μετήλλαξαν· τὴν δὲ τοῦ Τυφῶνος ἠμαυρωμένην καὶ συντετριμμένην δύναμιν, ἔτι δὲ καὶ ψυχορραγοῦσαν καὶ σφαδᾴζουσαν, ἔστιν αἷς παρηγοροῦσι θυσίαις καὶ πραΰνουσιν· ἔστι δʼ ὅτε πάλιν ἐκταπεινοῦσι καὶ καθυβρίζουσιν ἔν τισιν ἑορταῖς, τῶν μὲν ἀνθρώπων τοὺς πυρροὺς καὶ προπηλακίζοντες, ὄνον δὲ κατακρημνίζοντες, ὡς Κοπτῖται, διὰ τὸ πυρρὸν γεγονέναι τὸν Τυφῶνα καὶ ὀνώδη τὴν χρόαν· Βουσιρῖται δὲ καὶ Λυκοπολῖται σάλπιγξιν οὐ χρῶνται τὸ παράπαν ὡς ὄνῳ φθεγγομέναις ἐμφερές. καὶ ὅλως τὸν ὄνον οὐ καθαρὸν ἀλλὰ δαιμονικὸν ἡγοῦνται ζῷον εἶναι διὰ τὴν πρὸς ἐκεῖνον ὁμοιότητα καὶ πόπανα ποιοῦντες ἐν θυσίαις τοῦ τε Παϋνὶ καὶ τοῦ Φαωφὶ μηνὸς ἐπιπλάττουσι παράσημον ὄνον δεδεμένον. ἐν δὲ τῇ τοῦ Ἡλίου θυσίᾳ τοῖς σεβομένοις τὸν θεὸν παρεγγυῶσι μὴ φορεῖν ἐπὶ τῷ σώματι χρυσία μηδʼ ὄνῳ τροφὴν διδόναι. φαίνονται δὲ καὶ οἱ Πυθαγορικοὶ τὸν Τυφῶνα δαιμονικὴν ἡγούμενοι δύναμιν. λέγουσι γὰρ ἐν ἀρτίῳ μέτρῳ ἕκτῳ καὶ πεντηκοστῷ γεγονέναι Τυφῶνα· καὶ πάλιν τὴν μὲν τοῦ τριγώνου ᾍδου καὶ Διονύσου καὶ Ἄρεος εἶναι· τὴν δὲ τοῦ τετραγώνου Ῥέας καὶ Ἀφροδίτης καὶ Δήμητρος καὶ Ἑστίας καὶ Ἥρας· τὴν δὲ τοῦ δωδεκαγώνου Διός· τὴν δʼ ἑκκαιπεντηκονταγωνίου Τυφῶνος, ὡς Εὔδοξος ἱστόρηκεν.

Now Osiris and Isis changed from good minor deities into gods. But the power of Typhon, weakened and crushed, but still fighting and strugglingagainst extinction, they try to console and mollify by certain sacrifices; but again there are times when, at certain festivals, they humiliate and insult him by assailing red-headed men with jeering, and by throwing an ass over the edge of a precipice, as the people of Kopto do, because Typhon had red hair and in colour resembled an ass. The people of Busiris and Lycopolis do not use trumpets at all, because these make a sound like an ass; and altogether they regard the ass as an unclean animal dominated by some higher power because of its resemblance to Typhon, and when they make cakes at their sacrifices in the month of Paÿni and of Phaophi they imprint upon them the device of an ass tied by a rope. Moreover, in the sacrifice to the Sun they enjoin upon the worshippers not to wear any golden ornaments nor to give fodder to an ass. It is plain that the adherents of Pythagoras hold Typhon to be a daemonic power; for they say that he was born in an even factor of fifty-six; and the dominion of the triangle belongs to Hades, Dionysus, and Ares, that of the quadrilateral to Rhea, Aphroditê, Demeter, Hestia, and Hera, that of the dodecagon to Zeus, and that of a polygon of fifty-six sides to Typhon, as Eudoxus has recorded.