INDEX. 



Absolute zero, 14. 



Abstraction, 238. 



Acrosoma, 223. 



Adhesion, 30. 



Agnostic, 11. 



Agnosticism, 311. 



Air-bladder, 178. 



Air-sacs, 177. 



Air-tubes, 177. 



Allantois, 145. 



Altruism, 301, 307-309. 



Ammonium bicarbon- 

 ate, 19, 



Ammoniun nitrate, 19. 



Amnion, 145. 



A moral being, 257. 



Amphibia, 120, 123, 

 178. 



Amphioxus, 125, 127, 

 128, 145, 177, 360. 



Anatomy, 63. 



Anthropomorpha,365. 



Ancestral line, 147. 



Anchenaspis, 118; 



Androgynous, 187. 



Ankle, origin of, 378, 



Antelopes, 199. 



Appetites, 306. 



Apteryx, 157. 



ArchEean, 87, 90. 



Archaeopteryx, 215. 



Articulates, 89. 



Artiodactyla, 112. 



Aspredo, 219. 



Atheism, 54. 



Atheist, 11. 



Atom, 16, 23. 



Aurignac cave, 230. 



Australians, 233. 



Avogadro, 18. 



Azoic, 92. 



Backbone, origin of, 



378. 

 Balanoglossus, 126, 



127, 145. 

 Baleen, 137. 

 Barnacles, 168. 



Barker, 36. 

 Bastion, 60. 

 Bats, 163. 

 Beauty, 290. 

 Beaver, 227. 

 Beryx, 105, 113. 

 Beetles, 110, 226. 

 Bible, 53, 328. 

 Binet, 167. 

 Biology, 63. 

 Birds, 123, 163, 200, 



361-62. 

 Boas, 193. 

 Brachiopods, 89, 92, 



105, 106, 108, 113. 

 Brains, size of, 233. 

 Breathing apparatus, 



177. 

 Bushmen, 233. 



Calcium, 280. 

 Cambrian, 87. 

 Camel, 134. 

 Canada, 87. 

 Capillarity, 44, 

 Carbon, 26, 279. 

 Carboniferous, 110, 



112-13. 

 Carinitae, 163. 

 Carnivora, 112, 121. 

 Carpenter, 105. 

 Cause, 51, 52. 

 Caucasian, 231. 

 Cave-bear, 230. 

 Cave-lion, 230. 

 Cave-hytena, 230. 

 Cecilians, 128. 

 Cells, 204. 

 Cenozoic, 88. 

 Centipedes, 110. 

 Cephalopods, 89, 90, 



92, 109. 

 Cephalaspis, 118. 

 Cervus Virgianus,198. 

 Cetacea, 112, 121, 362. 

 Chance, 282. 

 Chameleon Owenii, 



199. 



(383) 



Chemical action, 21. 

 Chemical aftiuity, 30. 

 Chemistry, 27, 63. 

 Chemical laws, 303. 

 Cheiroptera, 112, 121. 

 Chimtera, 117. 

 Chlorine, 14, 280. 

 Choroid, 168. 

 Christianity, 328. 

 Climate, 274. 

 Coccospheres, 105, 113. 

 Cockroaches, 110. 

 Cohesion, 30. 

 Coleoptera, 110. 

 Colors of birds, 201. 

 Colors of fishes, 202. 

 Comets, 34. 

 Compounds, 21. 

 Conduction, 32. 

 Continuity, 12. 

 Conservation, 12. 

 Conscience, 253. 

 Cook, A. J., 208, 210. 

 Cope, E. D.,. 113, 354, 



368. 

 Coracoid, 161. 

 Cornea, 168. 

 Corpuscular theory, 



46. 

 Correlation, 12, 31, 



166. 

 Cory phodonts, -133. 

 Cosmogony, 346. 

 Creation, 50, 51, 346. 

 Creator, 12, 49. 

 Creed of Agnostic, 321. 

 Cretaceous, 105, 113, 



130-31. 



Crinoids, 89, 111. 

 Critical point, 15. 

 Crookes, 15, 17. 

 Crocodilia, 123. 

 Crustaceans, 89. 

 Cupuliferas, 105. 

 Cuttle-fish, 169. 

 Cyatholiths, 105, 113. 

 Cyclops, 168, 170. 

 Cystideans, 89. 



