EXPLANATION OF PLATE I. 
Fig. 1. Stone implement profusely ruddled, and with a large central 
incised spiral, above it two small discs of concentric circles, 
the whole enclosed above and below by transverse cross-bar 
incisions. 
„ 2. The opposite face of the same, with a submedian disc of con- 
centric circles surmounted by a three-quarter disc of concentric 
circles fainter than the former. Faint cross-bars are visible 
below the sub median disc. 
„ 3. “ Bull-roarer, Urania Tribe, Linda Creek, W. Queensland. — 
Five discs, the central ones separated from the others by a 
cross-bar above and below, 
„ 4. The opposite face of the same. There are no cross-bars here, but 
beneath the terminal discs are three-quarter circles facing 
towards one another. 
