316 



INDEX 



Human soxil, origin of idea of, 265- 



267. 

 Huntington, E., cittHl, 130, 140, 142; 



quoted, 140-141. 143. 

 Huxley, cited, 58. 

 Hybrid, and Mendelian inlieritance, 



11-15. 

 Imitation, 107, 185-186, 187, 190- 

 202; contra, 192; custom, 194; 

 laws of, 191-202; direction of, 

 192; force of, 190-191; mode, 

 194; refracted by its media, 193- 

 194; spread of, 191. 

 Implements, 71-101 ; Aclieulian, Tli- 

 79; Aurignacian, 82; Cliollean, 

 76-79; eolitliic, 76; Magdalenian, 

 82; Mousterian, 82; neolithic, 

 91-101; paleolithic, 70-91; pre- 

 historic, 76-101; Solutrean, 82; 

 Strepyan, 76. 

 Inbreeding in mice to show ]Mcn- 



delian inheritance, 15. 

 Indians, of Britisli Columbia, 246- 

 254; Iroquois, 239-244; of Xorlli 

 America, 234, 239-254. 

 Individual, differences, 3-7; and 

 llie social medium, 171-174; and 

 society, 115-118, 171-202. 

 Inheritance, 1-19, 125-126, 129- 

 130; of acquired characters, 32- 

 37; De Vries' tlieory of, 9-10; 

 Galton's theory of, 17; of eye 

 color in man, 15; Mendelian law 

 of, 11-15; Weismann's theory of, 

 5, 16, 32-37. 

 Instinct, 174-177. 

 Integration of like response, 110- 



111. 

 Intcrstimulation and response, 110- 



111. 

 Ireland, A., cited, 134. 

 Irish law, 278, 287. 

 Iron age, 101. 



Isolation, and animal life, 20-28; 

 and biological traits, 20-28; and 

 culture, 88, 152-154; and prog- 



ress, 153-160, 165-166, and to- 

 pography, 152. 



Java, the island of, 61-65. 

 Jones, W., cited, 245. 

 Justinian, cited, 239. 



Kaffirs, 286. 



Keane, A. H., cited, 40, 57, 61, 72, 

 76, 87, 97, 98, 227; quoted, 227. 



Kitchen-middens, 71-72. 



Kropotkin, V., cited, 103, 104; 

 quoted, 103, 104. 



Kwakiutl Indians, 240; winter cere- 

 monial of, 252. 



Lamarck, cited, 32. 



Language, 103, 111-114, 186. 



Law, ancient Irish, Brehon, 278, 

 287; as a bond of union in early 

 group struggle, 116-117; custom- 

 ary, 292; positive, 292. 



Like response, 110. 



Lubbock, J., cited, 101. 



Lull, R. S., cited, 54, 57, 02, 06, 67. 



Lucas, F. A., cited, 61. 



MacCurdy, G. G., cited, 79. 



McDougall, W., cited, 178, 188, 189, 

 190, 191, 192, 194, 197, 198; 

 quoted, 188, 199-201. 



McLennan, J.. F., cited, 282. 



Magdalenian epoch, 82. 



Magic, among jjrimitivc people, 

 258-261; imitative, 261; mana, 

 237; sympathetic, 261. 



:Maine, H. S., cited, 286; quoted, 

 287. 



Malloclv, W. H., cited, 288. 



Man, and the apes, 40; Eoanthro- 

 pus, 67-68; extinct forms of, 58- 

 68; Heidelberg, 65-67; and nat- 

 ural selection, 46-49, 87-91, 106- 

 107, 114-117, 146; Neanderthal, 

 58, 82, 218, 222; neolithic, 91- 

 101; origin of, 39-40, 46-49 v 



