You are hereHomeArchaeology OdysseySummer 1998Grape Pips, Dog Bones and Acorn Missiles See the typology defined at Orvieto by C. Bizzari, “Orvieto ipogea,” Bollettino dell’Istituto Storico Artistico Orvietano 154–155, 1988–89 (1992), n. 16. Join the BAS Library! Already a library member? Log in here. Institution user? Log in with your IP address.