He was represented under the form of an immoveable rock. […] The eastern nations worshiped him under the name of Baal Peor. […] Sometimes they were depicted under the form of serpents. […] He was afterwards placed under the tuition of Chiron, the Centaur. 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.