Acis. Acis and Galatea are characters from Classical mythology later associated together in Ovid's Metamorphoses.
   The episode tells of the love between the mortal Acis and the Nereid Galatea; when the jealous Cyclops Polyphemus kills Acis, Galatea transforms her lover into an immortal river spirit. The episode was made the subject of poems, operas, paintings, and statues in the Renaissance and after.
   Galatea, daughter of Nereus and Doris, was a sea-nymph anciently attested in the work of both Homer and Hesiod, where she is described as the fairest and most beloved of the 50 Nereids. In Ovid's Metamorphoses she appears as the beloved of Acis, the son of Faunus and the river-nymph Symaethis, daughter of the River Symaethus.
   When a jealous rival, the Sicilian Cyclops Polyphemus, killed him with a boulder, Galatea then turned his blood into the Sicilian River Acis, of which he became the spirit. This version of the tale now occurs nowhere earlier than in Ovid's work and might perhaps have been a fiction invented by the poet, suggested by the manner in which the little river springs forth from under a rock.
   But according to the Greek scholar Athenaeus, the story was first concocted by Philoxenus of Cythera as a political satire against the Sicilian tyrant Dionysius I of Syracuse, whose favourite concubine, Galatea, shared her name with the nymph. Others claim that the story was invented t
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