INDEX 



AchatinelHdse, 103, 104. 



Activities, instinctive and reflex, 203, 

 205, 208 ; of familiar animals, 208, 

 209 ; differ from instinct, 209, 210. 



Adaptation, universal relation to 

 environment, 15 ; principle of, 17 ; 

 degenerate forms enlarge our con- 

 ception of, 50 ; results of larval 

 short cuts in development, 71 ; 109, 

 213. 



Africa, fauna of, 103, 164, 165. 



Agassiz, a believer in special crea- 

 tion, 98. 



Ages, Palaeozoic, 92 ; Mesozoic or 

 Secondary, 93, 94 ; Cenozoic or 

 Tertiary, 93 ; Coal or Carbonif- 

 erous, 94. 



Albumen, of egg, 60. 



Alligators, a diverging branch of 

 lizard, 45. 



Amoeba, 21, 51, 69; comparative 

 study of, 203, 205, 231, 247, 251, 

 254, 257, 268, 259. 265, 266. 



Amphibia, frogs, salamanders, a 

 lower class, 45, 62 ; order of evo- 

 lution of, 63 ; evolved from fishes, 

 64 ; most primitive backboned ani- 

 mals, 92 ; 94, 157 ; embryos of, 171 ; 

 200. 



Anatomy, of mind, 202. 



Ant-bears, 42. 



Anthropoidea, 160. 



Anthropology, 177 ; methods and 

 results of, 186 ; types of, 186, 187 ; 

 comparative, of mind, 211. 



Anthropometry, 177. 



Ants, communities of, 125; mental 

 life of, 207, 208 ; organizations of, 

 260, 263, 264. 



Apes, 158; susceptible to training, 

 210; line from Amoeba, 231. 



Appendix, vermiform, 168. 



Apteryx, -nangless bird of New Zea- 

 land, 44, 200. 



Arachnida, 49. 



Archoeopteryx, a famous "link," 99. 



Ares, 300. 



Armadillo, 42. 



"Arts of life," 226-230; dwellings of 

 men, utensils, 227 ; history of 

 clothing, 228; arts of pleasure, 

 228-230. 



Atom, carbon, 22 ; nitrogen, 23 ; 

 hydrogen, oxygen, 24; chemical, 

 25. 



Atua, 301. 



Azores, animals of, 103. 



Bacteria, amazing production of, 

 123 ; relation of, 127. 



Baldwin, 148. 



Bandicoot, 42. 



Barnacles, really Crustacea, 50. 



Bats, 41, 94. 



"Beagle," 102, 117, 136. 



Bear, 38, 39. 



Bees, mental life of, 207, 208; ner- 

 vous system of, 232, 256, 257 ; or- 

 ganizations of, 260, 261, 262; 

 queen, workers, 262, 263. 



Beetles, 67. 



Bernier, 183. 



Bertillon, 183. 



Birds, 44 ; have they descended 

 from gill-breathing ancestors? 61 ; 

 evolution of, 03 ; primitive, 99 ; 

 embryos of, 171, 200, 



Blastula, 68. 



Blumenbach, 183. 



Bonnet, 70. 



Borneo, 164. 



Brachiopods, 95. 



Brahma, 299, 304. 



Brain, 215, 235-240. 



313 



