. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. PREHISTORIC ART. 427 BRANDON CORE. Fig. 70 represents a core of tiiiit from Braudon, England. The flakes (fig. 80) have been struck oft', one after the other, going around tlie outer edge, gauging tlie proper thickness for the tttike, the inside of one forming the outside of the next. With patience one can rear- range the flakes one by one against the core in tlie inverse order in which they have been struck oft" until the nodule is re
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. PREHISTORIC ART. 427 BRANDON CORE. Fig. 70 represents a core of tiiiit from Braudon, England. The flakes (fig. 80) have been struck oft', one after the other, going around tlie outer edge, gauging tlie proper thickness for the tttike, the inside of one forming the outside of the next. With patience one can rear- range the flakes one by one against the core in tlie inverse order in which they have been struck oft" until the nodule is reconstructed. The core shows the conchoidal fracture made by each blow, and with the aid of this peculiarity the flakes can be fitted one to the other, as shown in tig. 80. Tlie same operation is performed in making the cores and flakes of obsid- ian, to be shown fur- ther on (Plate liO). Conchoidal frac- ture.—The co u- choidal fracture is the evidence of a blow. Every blow which produces a fracture in the flint leaves such a con- choidal figure. By it the early discov- eries of the exist- ence of prehistoric man were made, and human inter- vention in manufactured objects rendered certain. Fig. 81 represents one of these Brandon flint cores with its flakes all in place, showing- how they were struck off, one after the other. Most of the works on prehistoric archa'ology relating to the making of arrowheads refer to such stone chipping among modern savages, and many of them contain descriptions by travelers and visitors of the different tools and methods by which flint chipping was done.' As we are dealing with prehistoric fine art rather than prehistoric archa'ology or primitive industry, we need not further pursue the subject of how to chij) flint. BONE FLAKERS. While stone hammers similar to fig. 78 were, as already mentioned, the principal tool with which flint chipping was done, yet other imple- ments were used. The Eskimo has points of bone or horn called flakers, with wh
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