Figs. 152, 153.—Stone Balls found in an ancient structure at Skaill, Orkney (3½ inches and 3 inches in diameter).
Another Orkney example (Fig. [154]) is allied to these two by the character of its ornamentation. One of its ends is studded with pyramidal projections, the middle portion is ornamented by a continuous spiral, and the other end is filled by a peculiar arrangement of segmental curves.
Fig. 154.—Ornamented Stone Ball found at Hillhead, near Kirkwall, Orkney. Obverse and Reverse (2¾ inches diameter).
Fig. 155.—Stone Ball found in Dumfriesshire.
Fig. 156.—Stone Ball found at Dudwick, Aberdeenshire.
