INDEX 



PAGE 



Ants, modification of forms of 222-223 



sexual trimorphism of 216 



social organization of 218-219 



social parasitism of 220-221 



subfamilies of 216-217 



structure and behaviour of, modification of, by evolution 222 



Ape-fissure, reference to 322 



Ape-man of Trinil, features of 134, 266 



Apes, dentition of 44 



figures showing 297, 300, 302, 304 



genealogical relations of, to man 21-22 



human side of 293-310 



skulls of, features of 133 



Apteryx, flightless bird of New Zealand, reference to 99 



vestigial wings of 38 



Arachnida, general features of 51 



Archaeopteryx, form and features of 251-253 



reference to 18, 368 



restoration of 251 



Archaeornis, reference to 263 



Archaeozoic era, length of 161 



Argentina, fossils of 87 



Aristotle, reference to 140 



Arthropoda, general features and subdivisions of 50-51 



Asia, former connection of, with North America. .86, 91-92, 227-229, 230 



Asiatic islands, geology and zoology of 93-94 



Atomic evolution, phases of 358-361 



Australia, ant from, figure showing 217 



20ological isolation of 85-86 



Backboned animals, early forms of 127-128 



Bacon, Francis, cited 113 



Barrell, Joseph, cited 288 



Basement complex of American rocks, reference to 271 



Bates, Henry Walter, cited 174, 180 



Batesian mimicry, reference to 181 



Bather, Francis Arthur, chapter by 102-111 



Bee, bumble, features and habits of 200-205, 208 



carpenter, form, nests, and habits of 198-199 



honey, features and habits of 187-194 



in flight, figure showing 192 



larva of, figure showing 192 



lessons and laws derived from a study of 193 



larva of 191 



queen, life and labor of 189-191 



worker, life and labor of 191-193 



leaf-cutting, features and habits of 196-197 



mason, form and habits of 197-198 



mosquito, form and habits of 199-200 



solitary, features, nests, and habits of 195-196 



stingless, form and habits of 199 



swarm of, figure showing 188 



[374] 



