Calaveras skull, 40 Cannibalism, 37 Cartailhac, E., 34 Carthage, 105 Caste, 144, 179 Cave-paintings, 21, 47-53, 221 Chelles, 77 China, 106, 108, 115, 142 Chukchis, 110 Clan, 161, 171, 175, 189, 197, 203 Class (matrimonial), 172 Climate, 83-86, 101, 103, 117, 156 Cogul, 53 Collective responsibility, 189, 192 Colour, 82-86 Commont, V., 33 Confederacy, 174 Consanguinity, 163 Conservatism of savage, 113, 124, 183, 184, 213, 245 Counting, 25, 148, 150 Cranial index, 74 Cranz, D., 191 Creswell Crags, 47 Cro-Magnon, 80 Custom, 38, 183-187, 213-215, 223, 227, 238, 245, 247 Dahomey, 158, 194 Dairy-ritual, 216-219 Daramulun, 207, 226, 249 Darwin, C., 8-11, 22, 64, 65, 69, 132, 157 Demolins, E., 98, 111 Differential evolution, 121 Dog, 118 Dubois, E., 76 Duel, 191, 195, 198 Egypt, 102, 105, 107, 115 Endogamy, 165, 173 Environment, 69, 70, 75, 93, 94-129 Eoliths, 41-48 Eskimo, 39, 111, 190, 191 Eugenics, 63, 70, 93, 95 Eurasian region, 106-110 Europeans, 33-59, 75, 77-82, 93, 102-105, 108, 109, 124, 126, 127, 133, 185, 193, 202, 230, 241 Evans, Sir J., 42, 124 Evolution, 7-12, 14, 22, 61-72, 136, 205 Exogamy, 159, 161-165, 168, 169, 172, 173, 220 Experimental psychology, 23, 88 Family, 159, 160, 164, 171, 178, 196 Family jurisdiction, 196 Flint-mining, 56, 57 Folk-lore, 186, 210 Frazer, J.G., 163, 172, 200 Freedom, 130, 154, 181, 185, 238, 241 Fuegians, 138-140, 145 Galley Hill skull, 46, 80 Gargas, 47-50 Genealogical method, 147 Gesture-language, 134, 149 Ghosts, 229, 230, 248 Gibraltar skull, 78 Greece, 127, 157, 172, 185, 241 Greenwell, W., 56 Grime's Graves, 56 Haddon, A.H., 88, 127 Haeckel, E., 118 Hand-prints, 49 Harrison, B., 41, 44 Head-form, 73-82, 107 Head-hunting, 185 Heidelberg mandible, 77 History, 11, 13-15, 30, 97, 156, 227, 242 Hittites, 107 Hobhouse, L.T., 160 Holophrase, 140-152, 239 Horse, 37, 50, 100, 108 Howitt, A.W., 163, 231, 246 Humility, 212 Ice-age, 21, 33, 36, 38, 46, 106, 112, 132 Icklingham, 38 Imagination, 28, 213, 223, 234 Incest, 189, 200 India, 115 Individuality, 29, 241-250 Indo-European languages, 133 Indonesia, 116, 118, 121, 184 Initiation, 127, 174, 176, 211, 224-227, 246-250 Instinct, 23, 68, 71, 89-91 Intichiuma ceremonies, 51, 167, 220-223 Iron-age, 40, 119 Jacks, L.P., 246 James, W., 247 Jersey, 32, 36, 45, 243 Kellor, F.A., 91 Kent's cavern, 46 Kingship, 194, 195, 200, 202 Kinship, 163, 177 Knappers, 57, 58 Koryaks, 110 La Chapelle-aux-Saints, 79 Lamarck, J.B., 64, 65 La Naulette mandible, 78 Lang, A., 187, 226 Language, 24, 130-152 Lapps, 110 Law, 26, 181-203 Lecky, T., 102 Le Moustier, 38, 45-47, 79 Le Play, F., 98 Levy-Bruhl, L., 138 Lineage, 165, 168 Lloyd Morgan, C., 238 Local association, 177 Luck, 167, 200, 213, 215 McDougall, W., 90 Madagascar, 114, 158 Magic, 27, 51, 177, 202, 208-210, 224, 245, 247 Malaya, 114, 122, 126 Malthus, T., 69, 157 Mammoth, 37, 78, 111, 132