C Calaveras skull, dispute with churchmen over, 122 Campbell, Mr. and Mrs. W. H., discoveries of, 160, 169, 175 Carbon 14. _See_ Dating, through radiocarbon Carter, George F., on existence of glacial man, 183, 290 Catholic church, 191; explanation of Indians by, 12 Cephalic index, 210-18 Childe, Gordon, on beginnings of archeology, 61; on invention of writing, 115; on neolithic civilization, 37, 38; on Stone Age, 114-15; on superiority of metal over stone for tools, 34 Clovis man, name change of, xii; points of, found with extinct mammal fossils, 191 Cochise culture, 167-69 Colbert, Edwin H., on extinction of mammals, 203 Confins man, 131, 293 Conquistadores, 2 Conyers, discoveries of, 61, 62 Coon, Carleton S., on origins of early man in New World, 230, 284 Corn, 267, 268-76; no wild ancestor for Indian, 263, 272; origins in New World of, 265 _Coup de poing._ _See_ Hand axes Cressman, L. S., discoveries of, 179 Croll, James, on causes of glaciation, 54 Cro-Magnon man, 63, 89, 97, 126; as part of Aurignacian culture, 99, 100 Culture periods, Ameghino’s, 123; confusion in determining, 115-18; history of classification of, 33; indicated by tools, 65-72; major divisions of, 33-37; Mortillet’s, 64, 65, 68 Cummings, Byron, discovers milling stones, 167 Cuvier, cataclysmal explanation of great extinction by, 201 D Dart, Raymond, 86; and Broom discover southern apes, 85 Dasypodidae. _See_ Extinct armadillo Dating, of early man by death of mammals, 189-205, 294; through pluvial periods, 52, 63; through pottery, 247; through radiocarbon, xi, 9, 86, 94-97, 100, 102, 138, 140, 179, 188, 204, 278; from sloth dung, 160; of Turin skeletons, 140 Dawn stones. _See_ Eoliths Diaz (del Castillo), Bernal, on principle of wheel in New World, 30; on Mexican mammoth bone, 136 Dixon, Roland B., criticizes Rivet’s languages hypothesis, 255; on cultural diffusion, 243-44; on origins of early man in New World, 220-22; on transpacific migration, 30, 218 Douglas, A. E., originates tree-ring count, 49 Dubois, Eugène, 85; discovers Java man, 81, 82 E Eden culture, name change of, xii; points of, 154, 158, 203; pressure flaking in, 104, 181 Eiseley, Loren C., on Athabasca bison, 200; on extinction of American mammals, 192-93, 195, 202-3; questions evidence of historic mastodon, 197 Ekholm, Gordon, on Asia-America diffusion, 258 Engravings, on bone, 172-73 Eoliths, development of tools from, 67, 163; origin of, 67, 68 Eskimo, 6, 220, 279; Caspian strain in, 221 Eustatism, 59 Evans, Glen L., discovers Plainview point, 156 Ewing, Maurice, on cause of glaciation, 56, 57 Extinct armadillo, 190