GENERAL INDEX 



Aard-varks, 141 

 Abdominal ribs, 61 

 Acentrophorus, 64 

 Actinopterygian Ganoids — 



Devonian, 41 



Carboniferous, 58 



Permian, 64 



Triassic, 75 



Jurassic, 87 



Cretaceous, 105 



Eocene, 136 

 Africa, 119, 208 

 Agriculture, 212, 213 

 Albatross, 131 

 Alcyonarians, 21, no 

 Algae, 8, 15, 20 

 Alligators, loi, 134 

 Almond trees, 154 

 Alps, 138, 168 

 Alticamelus, 158 

 Amber, 152 

 Amblypods, 117, 122 

 America, North, passim — 



Pliocene, Earlier, 180 



— Later, 184 



Pleistocene, 191, 192, 201 

 America, South — 



Miocene, 161 



Pliocene, 181, 185 



Pleistocene, 202 

 Amia, 76 

 Ammonites, 44, 67 



(See also Ammonoids) 

 Ammonoids — 



Devonian, 43 



Carboniferous, 56 



Permian, 67 



Triassic, 74 



Ammonoids (cont.) — 



Jurassic, 85 



Cretaceous, 107 



Eocene, 137 

 Amphibians — 



Carboniferous, 58 



Permian, 61 



Triassic, 76 



Jurassic, 89 



Eocene, 135 



Oligocene, 140 



Miocene, 167 



Ancestry of, 59 

 Amphicyon, 146, 156 

 Amphineura. See Chitons 

 Amphioxus. See Lancelets 

 Amphipods, 35 

 Anaspides, 57 

 Anchisaurus, 78 

 Anchitherium, 159 

 Ancylopods, 140, 171 

 Angiosperms, 89, 112 

 Annelids, 14 



Anomodonts. See Theromorphs 

 Anoplotheres,i28, 144, 157 

 Ant-eaters, 185 

 — Scaly, 141 

 Antelope — 



Miocene, 158 



Pliocene, 169, 178, 183 



Elands, 169, 178 



Gazelle, 169 



Harnessed, 169 



Hartebeest, 178 



Kudus, 169, 178 



Nilgai, 178 



Oryx, 169 



Sable, 169, 178 



Saiga, 194 



Waterbuck, 178 

 Anthozoa. See Corals 



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