INDEX. 253 



PAGE 



Law, uniformity and universality of action, ... 80 



Laws apparently regulating past vitality, . . . 177 



Leaf, as the primary structural organ, . . . .32 



Lepidodendron, characteristic plant of the Carboniferous, . 104 



Life, dawn of, as known to geology, . . . .178 



Life, origin of, wholly unknown, . . . . .180 



Life-periods of geology, arrangement of, . . . . 73 



Lignites and coals of the Cretaceous epoch, . . . 143 



Lmgula, Silurian brachiopod, figured, .... 88 



Lituites, Silurian cephalopod ? figured, .... 88 



London basin, its flora and fauna, . . . .155 



Loxonema, carboniferous gasteropod, figured, . . . 109 



Machairodus, fossil cave-lion of Europe, .... 159 

 Maclurea, characteristic Silurian shell, figured, ... 88 



Mammals in Permian sandstones of America, . . . 165 



Mammoth, or extinct hairy elephant, .... 162 

 Man, his advent or first appearance, . . . 170, 213 



Man, his advent in accordance with the general plan of vitality, 215 

 Man, his early condition, as indicated by geology, . . 217 



Man, his influence on future life-aspects, .... 232 

 Man, inferior races of, their inevitable decay, . . . 234 



Man, not the last of this vital series, .... 237 



Marsupial quadrupeds of Triassic era, . . . .128 



Marsupials of the Oolite, jaws of various, .... 139 

 Marsupites, cretaceous echinoderms, figured, . . . 144 



Mastodon, extinct elephantoid mammal, .... 162 

 Megaceros Hibernicus, or great Irish deer, . . . 169 



Megalanea, extinct lace-lizard of Australia, . . . 159 



Megalodon (large toothed hinge), Devonian shell, figured, . 94 



Megalosaurus, great land saurian, figured, . . .138 



Megatherium, extinct gigantic ground-sloth, . . . 163 



Merycotherium, fossil mammal from India, . . . 159 



Mesozoic systems, their chief characteristics, . . .119 



Microlestes, insectivorous mammal of trias, . . .128 



Migration and migratory races at all periods, . . .387 



Modiola, oolitic bivalve, figured, ..... 134 

 Mollusca, aspect and apparent functions of, . . . 62 



Mollusca of the Oolite, various genera, figured, . . . 134 



Monkey, development of, considered, .... 205 

 Moral perception, restricted to man, .... 205 



Murchisonia, gasteropod, carboniferous species of, . . 109 



Murchisonia, gasteropod, Devonian species, figured, . . 94 



Murchisonia, gasteropod, Silurian, figured, ... 88 



Natural selection, Mr Darwin's theory of, ... 204 



New life forms, how introduced, . . . . .192 



Nummulites and nummulitic strata, .... 157 



