Describes two Arnhem Land sites containing pictorial stone arrangements (map shows locations in Arnhem Bay & Dalywoi Bay), 1) Wurrawurrawoi site, gives map reference for series R502, sheet SD53-4, topography, territory of Lamomirri & Galbu clans,; affiliations of Gumatj & Rirratjingu informants, list of features at site with observations, native names & explanations; 2) Hardy Is. site, map reference for sheet SD53-2, list of features relationship of pictures to other Aboriginal art forms (bark paintings, stone arrangements); plates show some features in situ, model prau & bark painting of prau; diagrams show layout and proximity