[36] Report of Explorations of the Colorado of the West and its Tributaries, p. 27.
[37] Ancient Stone Implements of Great Britain, p. 289.
[38] Ancient Stone Implements of Great Britain, pp. 270-277.
[39] Archæol. Journ., vol. x. p. 64.
[40] Antiquities of the Southern Indians, p. 378.
[41] Antiquities of the Southern Indians, p. 315-320.
[42] Archaic Sculpturings, p. 92.
[43] Ibid., p. 147.

CHAPTER IV.
BONE AND IVORY WORKERS.

BONE AND IVORY WORKERS—SUBSTITUTES FOR FLINT—PROOFS OF RELATIVE AGE—DOMESTIC BONE IMPLEMENTS—RUDE PALÆOLITHIC ART—WHALEBONE WORKERS—PRIMITIVE WORKING TOOLS—FISH-SPEARS AND HARPOONS—ARTISTIC INGENUITY—DRAWING OF THE MAMMOTH—THE MADELAINE ETCHINGS—RIGHT-HANDED WORKERS—DEERHORN QUARRY PICKS—BONE-BRACER OR GUARD—BIRTHTIME OF THE FINE-ARTS—INNUIT CARVERS OF ALASKA—TROGLODYTES OF CENTRAL FRANCE—POST-GLACIAL MAN—SYMMETRICAL HEAD-FORM—INTELLECTUAL VIGOUR—EVIDENCE OF LATENT POWERS—TAWATIN IVORY CARVING—LAKE-DWELLERS’ IMPLEMENTS—CAVE IMPLEMENTS—ARTS OF THE PACIFIC ISLANDERS—CARIB SHELL-KNIVES—ABORIGINES OF THE ANTILLES—CARIBS OF ST. DOMINGO—CAVE PICTURES AND CARVINGS—PRIZED TROPICAL SHELLS—ANCIENT GRAVES OF TENNESSEE—SHELL MANUFACTURES—HURON AND PETUN GRAVES—SACRED SHELL-VESSELS—PRIMITIVE SHELL ORNAMENTS—AMERICAN SHELL MOUNDS—A SHELL CURRENCY—IOQUA STANDARD OF VALUE.