INDEX. 



Abyssinians, ii. 323, 330 

 Acalephse, ii. 141 

 Accelomi, ii. 148, 151 

 Acrania, ii. 196, 198, 200, 204 

 Acyttaria, ii. 51, 62 

 Adaptation, i. 90. 156, 219 



actual, i. 225, 281 



correlative, i. 241 



cumulative, i. 233 



direct, i. 225, 231 



divergent, i. 247 



■ indirect, i. 224, 227 



individual, i. 228 



irregular, i. 229 



monstrous, i. 229 



• potential, i. 224, 227 



sexual, i. 230 



universal, i. 231 



unlimited, i. 249 



Agassiz, Louis, i. 61 



Agassiz's conception of the universe, 

 i. 65 



essay on classification, i. 61 



history of creation, i. 63 



history of development, 



i. 64- 



■ idea of species, i. 65 



Albuminous bodies, i. 331 

 AlgJB, ii. 81, 82, 83 

 Alluvial system, ii. 15 

 Altaians, ii. 309, 317 

 Alternation of generations, i. 206 

 Americans, ii. 309, 318. 

 Amnion animals, ii. 204, 219 

 Amniota, ii. 204, 219 

 Amoebae, ii. 53, 279 

 Amoeboidea, ii. 53 

 Amphibia, ii. 209, 216 

 Amphioxus, ii. 198, 285 

 Amphirrhina, ii. 203, 205 

 Anamnionata, ii. 204 

 Animal Plants, ii. 144 

 Angiospermae, ii. 83, 111 



Annelida, ii. 133, 149, 151 



Anorgana, i. 5, 328 

 Anorganology, i. 6 

 Anthozoa, ii. 143 

 Anthropocentric conception of the 



universe, i. 38 

 Anthropoides, ii. 270, 275, 292 

 Anthropolithic period, ii. 15, 17 

 Anthropology, i. 7 

 Anthropomorphism, i. 18, 66 

 Ape-like men, ii. 293, 300 

 Apes, ii. 241, 268, 270 

 Arabians, ii. 323, 330 

 Arachnida, ii. 180, 182 

 Archelminthes, ii. 148 

 Archezoa, ii. 132, 134 

 Archigony, i. 183, 338 

 Archilithic period, ii. 8, 14 

 Arians, ii. 323, 331 

 Aristotle, i. 55, 76 

 Arthropoda, ii. 132 

 Articulata, ii. 119 

 Ascidia, ii. 152, 200 

 Ascones, ii. 141 

 Asterida, ii. 164, 166 

 Atavism, i. 207 

 Australians, ii. 308, 314 

 Autogeny, i. 339 



B 



Bar, Gael Ernst, i. 109 



— — doctrine of filiation, i. 109 



theory of development, i. 294 



types of animals, i. 53 ; ii. 119 



Basques, ii. 322 



Bathybius, i. 184, 344 ; ii. 53 



Batrachians, ii. 204 



Bats, ii. 240, 261 



Beaked mammals, ii. 233, 239 



reptiles, ii. 224, 226 



Belief, i. 9 ; ii. 335 

 Berbers, ii. 323, 330 

 Biogenesis, fundamental law of, i. 

 309 ; ii. 33 



I 



