chisels, similar to those of the Oban cave. The stone implements, numbering over 200, were elongated water-worn pebbles, worked at one end and supposed to have been used as limpet-hammers (Fig. 24).
Fig. 24.—Caisteal-nan-Gillean Shell-Heap, Oronsay. Harpoons and objects of bone, horn and stone. (All 12.)
Besides the above-named objects there were eight fragments of perforated implement made of deer-horn, and others roughly cut round the circumference and then broken across; also two small anvils and some flint chips, but none that could be called an implement. With the exception of bones of the greak auk, the organic remains were those of the existing fauna of the west coast, among which were red-deer, otter, wild-boar, marten, grey and common seal, cetaceas, limpet, pecten, oyster, cockle, crab—all evidently used for edible purposes.
Two other shell-heaps on the island of
