Echidna

, a celebrated monster sprung from the union of Chrysaor with Callirhoe the daughter of Ocean us. She is represented as a beautiful woman in the upper part of the body, but as a serpent below the waist. She was mother, by Typhon, of Orthos, Geryon, Cerberus, the Hydra, . According to Hero dot us, Hercules had three children by her, Aga thyrsus, Gelonus, and Scytha. Hero dot us , bk. 3 , ch. 108 .— Hesiod , Theogony .— Apollo dor us , bk. 2 .— Pausanias , bk. 8 , ch. 18 .— Ovid , Metamorphoses , bk. 9 , li. 158 .