Horos Dios draws on a wide variety of literary and archaeological evidence to argue that an Archaic horos inscription and other rock cuttings on the northeast slope of the Hill of the Nymphs in Athens are remnants of a shrine of Zeus Meilichios, a popular god of purification worshipped widely in Athens, Attica, and the greater Greek world.

Gerald V. Lalonde, Ph.D. (1971) in Classics, University of Washington, is Professor of Classics at Grinnell College. His scholarship, mainly in the fields of Athenian epigraphy and topography includes (with M. K. Langdon and M. B. Walbank) The Athenian Agora XIX, Inscriptions: Horoi, Poletai Records, Leases of Public Property (Princeton, 1991).