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, 181, 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, 1 66 



Australia, 165. 186, 206 



aborigines of, 208 



arrival of man in, 207 



B 



Baboons. See under Apes 

 Bactritcs, 43, 56 

 Baculites, 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, 77 



Bennettiteae, 71, 89, 113 

 Berycoids, 106 

 Birds- 

 Jurassic, 96 



Cretaceous, in 



Eocene, 131 



Oligocene, 150 



Miocene, 166 



Ancestry, 2, 96 



(See also under various names.) 

 Birkenia, 36 

 Bison, 178, 200 



