Passage 2.27.2
τοῦ δὲ Ἀσκληπιοῦ τὸ ἄγαλμα μεγέθει μὲν τοῦ Ἀθήνῃσιν Ὀλυμπίου Διὸς ἥμισυ ἀποδεῖ, πεποίηται δὲ ἐλέφαντος καὶ χρυσοῦ· μηνύει δὲ ἐπίγραμμα τὸν εἰργασμένον εἶναι Θρασυμήδην Ἀριγνώτου Πάριον. κάθηται δὲ ἐπὶ θρόνου βακτηρίαν κρατῶν, τὴν δὲ ἑτέραν τῶν χειρῶν ὑπὲρ κεφαλῆς ἔχει τοῦ δράκοντος, καί οἱ καὶ κύων παρακατακείμενος πεποίηται. τῷ θρόνῳ δὲ ἡρώων ἐπειργασμένα Ἀργείων ἐστὶν ἔργα, Βελλεροφόντου τὸ ἐς τὴν Χίμαιραν καὶ Περσεὺς ἀφελὼν τὴν Μεδούσης κεφαλήν. τοῦ ναοῦ δέ ἐστι πέραν ἔνθα οἱ ἱκέται τοῦ θεοῦ καθεύδουσιν.
The statue of Asklepios is half the size of the Olympian Zeus at Athens, and it is made of ivory and gold. An inscription reveals that the maker was Thrasymedes, son of Arignotos, of Paros. The god sits on a throne holding a staff, and his other hand rests above the head of a serpent. By his side also lies a dog depicted in the work. On the throne are carved representations of the heroic deeds of Argives, showing Bellerophon's battle against the Chimaira and Perseus severing the head of Medusa. Beyond the temple is the place where suppliants of the god sleep.