2 3 6 



EVOLUTION IN THE PAST 



Maidenhair tree. See Gingko 

 Mammals, appearance of, 80 



decline of, 214 



origin of, 80 



placental, 117 



(See also under various names.) 

 Mammoths, 191, 193, 197, 200, 201, 



202, 210 

 Man- 

 America, 202, 209 



Aryan, 213 



Aurignacensis, 198 



Caucasian, 208, 209, 213 



Cave, 199, 211 



Cradle-land, 208, 209 



Cromagnon, 199 



Descent, 127, 187 



Dispersal, 208 



Engis, 199 



Eolithic, 1 88 



Galley Hill, 198 



Heidelbergensis, 190 



Inter -glacial, 195, 196 



Kelts, 214 



Lake-dwellers, 212 



Mentone, 199 



Mollusc-eaters, 211 



Mongolian, 209 



Mousteriensis, 196 



Neanderthal, 195 



Negroid, 208, 209 



Neolithic, 212, 213 



Palaeolithic, 195, 198, 199, 209 



Pithecanthropus, 187 



Pliocene, 188 



Semitic, 213 



Spy, 198 



Manatees, 130, 150 

 Marsupials 



Triassic, 80 



Jurassic, 97 



Cretaceous, 114 



Eocene, 119 



Oligocene, 140 



Miocene, 164 



Pliocene, 186 



Pleistocene, 206 



(See also under various names.) 

 Martens, 156 

 Mastigocrinus, 30 

 Mastodons 



Pliocene, 174, 180, 182 



Mastodons (cont.) 



Pleistocene, 202 

 Mayflies 

 Devonian, 47 

 Carboniferous, 52 

 Jurassic, 89 

 Medusae. See Jellyfish 

 Megalohyrax, 129 

 Megalosaurus, 92, 99 

 Megatherium, 185, 204 

 Melaniidae, 33 

 Menes, King, 214 

 Merostomata. See Sea-scorpions, 



King-crabs 

 Mesohippus, 143 

 Mesonyx, 128 

 Mesopithecus, 172 

 Metamynodon, 142 

 Metriorhynchus, 94, 101 

 Microlestes, 80 

 Millepedes, 47, 52 

 Miocene Period, 154 

 Miolitic limestone, 138 

 Mitre-shells, 137 

 Moa, 207 



Mceritherium, 124 

 Moles, 97, 148 

 Molluscoida. See Brachiopods, 'Poly- 



zoans 

 Molluscs, 14 



(See also Cephalopods, Chitons, 



Gastropods, Pelecypods, Ptero- 



pods, Scaphopods, and various 



names.) 



Mongolian races, 208, 209 

 Monkeys. See Apes 

 Monotremes, 3, 80 

 Morality, progress of, 81 

 Morula stage, 10 

 Mosasaurs, 101 

 Mosquitoes, 89 

 Moths, 114, 152 

 Muntjacs. See Deer 

 Musk-oxen, 189, 194 

 Mussels, 18, 32, 44, 55, 73, 137 

 River, 44 

 Mustelidae. See Badger, Marten 



Glutton, Polecat, Weasel 

 Mutations, 4 

 Mylodon, 185, 204 

 Myriapods, 47, 52 



