Very roughly-chipped pieces of flint, apparently blocked-out celts, are occasionally found in barrows. Two such, 8 inches by 3 1∕2, and 7 by 3 1∕2, from a barrow near Alfriston, Sussex, examined by Dr. Mantell, are in the British Museum. They may have been deposited under a similar belief, or as votive offerings. Possibly this custom of placing roughly-chipped implements, like, for instance, Fig. 16, in graves, may be a “survival” from the times when warriors or hunters were buried with the arms or weapons they had worn when living, and the burials which they accompany may belong to a late part of the stone period. It is worthy of notice that in the cemetery of Hallstatt, which belongs to a date when iron was just coming into use, many of the ornaments appear to have been manufactured expressly for funereal purposes, being like the gold wreaths in Etruscan tombs, almost too light and fragile to be worn by the living. In Denmark, however, the weapons of flint which accompanied interments seem usually to have been highly finished and perfect. Celts, merely chipped into form and unground, occur also in other kinds of stone. They are, however, much rarer than those of flint. One of iron-stone, from Sussex, 8 inches long and 3 1∕4 wide at the broad end, is in the Blackmore Museum. A very fine specimen from Anglesey, formed of felstone, is preserved in the Museum of Economic Geology, in Jermyn Street. I have a fragment of one in greenstone, found by Mr. R. D. Darbishire, F.G.S., at Dwygyfylchi, Carnarvonshire, and another of felstone, extremely rude, found by him on Pen-maen-mawr. Some rough celts of greenstone, found in barrows near St. Just, Cornwall, are in the Truro Museum. In Ireland, where flint celts are comparatively rare, those in |85| the unpolished condition appear to be relatively more abundant in that material than in other rocks. In the large collection of the Royal Irish Academy there are but few of either class, and I certainly have seen some hundreds of Irish stone celts with the edges ground, for one in which it had been left as originally chipped out. In France the chipped celts of flint are not uncommon, but those of other materials are extremely rare. In Denmark, and Sweden also, the unpolished celts of flint are abundant, but principally of a class not found in Britain, with square sides and neatly worked wavy angles. Some of the other forms, however, also occur, as has been already mentioned. In other materials than flint they are almost unknown. In North America the roughly-chipped hatchets are scarce, but are more common in flint or horn-stone than in other materials.