Sometimes they were depicted under the form of serpents. […] At Epidaurus, he was worshiped under the form of a serpent, and sometimes under that of an old man, holding a staff encircled by a serpent. […] They had the faces and breasts of women, and the tails of serpents. […] Sometimes he was depicted by a serpent, and an eye, to express his power and providence. […] His symbols were, the bull, or the Man-Bull; the serpent; a serpent, a globe, and wings united.