INDEX 



2 33 



Lappet-moth, protective resem- 

 blance in, 129 

 Larvaa,characters acquired by,io2 

 Larvae of insects, metamorphosis 

 of, 103 

 protective colours of, 126 

 Leader, Herbert Spencer's essay 



in, 17 

 Lemur, flying, 169 

 Lepidodendron, 57 

 Lepidosiren, 177 

 Lep talis, 138 



Limpet, eye of, 107 ; shell of, 90 

 Limulus, 58 

 Linaria vulgaris, 217 

 Lingula, 58, 158, 171 

 Links between existing animals, 

 152 

 between past and present ani- 

 mals, 154 

 Linnaeus, 2 

 Lion, aggressive resemblance in, 



131 

 fossils of, 56 

 Lizards, alluring resemblance in, 



132 

 Lizard, flying, 169 

 Llama, 71 

 Lobelia, fertilisation of by bees, 



148 

 Lobster, affinities of, 8S 

 Loligo, eye of, 107, no 

 Lonchodes, 129 

 Lophius piscatorius, 131 

 Lung, evolution of, 167 

 Lyell, Sir Charles, 16 



Macruran ancestry of crabs, 89 

 Madeira, insects of, 47 

 Magpie moth, caterpillar of, 135 

 Malapterurus, 170 

 Malthus, essay on population, 196, 



210, 212 

 Mammalia, 182 

 eggs of, 185 



Mammoth, 56 



Man, anatomical differences from 

 other animals, 195 

 comparison with lower animals, 



193 

 degeneration in, 96 

 resemblance to higher apes, 193 

 reversion in, 194 

 rudimentary organs in, 96, 194 

 zoological position of, 193 

 Mantis, alluring resemblance in, 



I32> x 37 

 Marsh, on the connection between 

 birds and reptiles, 65 



on the pedigree of the horse, 67 

 Marsupials, geographical distri- 

 bution of, 74 

 Mastodon, 56 



Megalopa stage of crab, 90 

 Megatherium, 207 

 Me?iobranchus, 168 

 Mephitis mephitica, 134 

 Merycotherium, 74 

 Mesohippus, 67, 69 

 Mesozoic period, 56 

 Metamorphosis, abrupt and gra- 

 dual, 103 

 Metazoa, derivation of from Pro- 

 tozoa, in 

 Methona, 138 

 Mimicry, conditions of, 140 



examples of, 137 

 Miohippus, 67 

 " Missing Links," 152 

 Moas, extinction of, 69 

 Mole, eye of, 95, 161 

 Mollusca, evolution of eyes in, 

 107 



fossils of, 60 

 Monad, 112 



" Monkey question," 156 

 Monotremata, 183 ; eggs of, 185 

 Morula stage in Amphioxics, 112 

 Mosasaurus, 57 

 Mule, 153 



