INDEX 



PAGE 



Beehive, complexity of 187-188 



evolution of 186-209 



Beeswax, production and manipulation of 188 



Belt series, fossils found in 271 



Bergson, Henri, cited v 



Bermuda, forms of life on 97-98 



Bernard, Claude, cited 145 



Berry, Edward Wilber, chapter by 156-173 



figure cited from work by 165 



Bible, quotation from 324 



Bichir, reference to 278 



Biogenesis, modes of 50, 52, 142-143 



Biogenetics, general law in 50, 52 



Bird, changes in senses of 249 



evolution of 243-254, 367-369 



flight of, regulation of 248-249 



heart and circulation of 245 



ovary of, vestigial 37 



reptilian ancestor of 243-254, 259-261 



reptilian features of 250 



vestigial wings of species of 37-38 



view showing 253 



Birds with teeth, examples of 261 



Blood tests of evolution, methods and results of 365-367 



Bolton, H., cited 121 



Bonnet monkey, experiments made with 298-300 



Bonnet, Charles, cited 63 



Borneo and other islands, former connection of, with Asia 86 



Boyesen, H. H., cited 12 



Brachyura, general features of 51 



Brain, evolution of, chapter on 311-326 



functions of different parts of 323 



Brazil, ant from, figure showing 217 



butterflies of 180, 181 



Breeder of animals, significance of work done by 112 



British Columbia, fossils from 257-258 



Brocket of Chili, reference to 90-91 



Brooklyn Botanic Garden, "family tree" shown at 137-139 



Broom, cited 284 



Brues, C. T., figures made from photographs taken by 215, 217 



Bull-dog ants, figure showing 217 



Bumble-bee, cells in hive of " 206, 207 



features and habits of 200-205, 208 



nest of, figures showing 202, 203 



Burchell, William John, reference to work done by 181 



Butterflies, changes of colour in 179-180 



figures of 183, 184 



metamorphosis of 183 



Butterflies and moths, evolution shown by 174-185 



Cambrian period, events of 161 



forms of life of 127 



[375] 



