228 



EVOLUTION IN THE PAST 



Anthracosaurus, 59 

 Anthrocotheres, 128, 144, 176 

 Anthropoids. See Apes and generic 



names 

 Ants, 89 



Anura. See Frogs, Toads 

 Apes — 



Eocene, 127 



Oligocene, 149 



Miocene, 154, 164 



Pliocene, 172, 179, 184 



Present, 215 



Baboons, 155, 179 



Chimpanzee, 155, 179 



Dryopithecus, 155 



Gibbon, 155 



Gorilla, 155, 179 



" Holy," 172, 179, 184 



" Howler," 164 



Langur. See " Holy " 



Macaques, 172, 179, 184 



Mesopithecus, 172 



Orangs, 179 



Pliopithecus, 155 



Propliopithecus, 127 



Semnopithecus, 172 

 Apus, 19 



Arachnida. See Scorpions, Spiders 

 Araucaria, 68, 70, 88 

 Archaeopteryx, 2, 96 

 Ark-shells, 18, 55, 66, 73 

 Armadillos — 



Eocene, 124 



Miocene, 162 



Pliocene, i8i, 185 



Pleistocene, 204 

 Arsinoitherium, 129 

 Art, 200, 211 

 Arthrodirans, 39 



Arthropods. See Crustaceans, Insects, 

 King-crabs, Myriapods, Scorpions, 

 Sea-scorpions, Spiders, Trilobites 



Ancestral, 3 

 Aryans, 213 

 Asaphus, 26 

 Asia, Glaciation, 190 

 Aspidorhynchus, 88 

 Asses, wild, 215 

 Asteroids. See Starfishes 

 Astrapotheres, 163, 185 

 Atlantosaurus, 90, 98 

 Auks, 166 



Australia, 165, i86, 206 



— aborigines of, 208 



— arrival of man in, 207 



B 



Baboons. See under Apes 

 Bactrites, 43, 56 

 Bacuhtes, 107 

 Badgers, 174, 194 

 Balanoglossus, 3 

 Barnacles — 



Cambrian, 19 



Ordovician, 26 



Jurassic, 86 



Cretaceous, 107 

 Basques, 213 

 Bats, 126 



Beach-fleas. See Amphipods 

 Bears — 



Oligocene, 146 



Miocene, 156 



Pliocene, Earlier, 173, 174 



— Later, 184 



Pleistocene, 190, 192, 194 



Cave, 190, 194 



Polar, 192 



Sloth, 174 

 Beavers, 148, 155 

 Beaver-squirrels, 156, 180 

 Bees, 89, 152 

 Beetles, 71, 89, 152 

 Belemnites — 



Triassic, 74 



Jurassic, 86 



Cretaceous, 107 



Eocene, 137 



Ancestry, 74 

 Belodon, yj 



Bennettiteae, 71, 89, 113 

 Berycoids, 106 

 Birds- 

 Jurassic, 96 



Cretaceous, iii 



Eocene, 131 



Oligocene, 150 



Miocene, 166 



Ancestry, 2, 96 



(See also under various names.) 

 Birkenia, 36 

 Bison, 178, 200 



