INDEX. 251 



PAGE 



Cyathophyllum, carboniferous cup-coral, figured. . . 106 



.Cycadaceous plants of the Oolitic epoch, .... 132 

 Cypris, small bivalved crustacean of coal, . . .108 



Darwin, on origin of life, quoted, . . . ... 210 



Darwin's hypothesis as to origin of species, . . . 197 



Death, consideration of, in scheme of vitality. . . . 185 



Dendrerpeton, lizard-like reptile of Coal era, . . . 110 



Development hypotheses, considered, .... 197 



Devonian flora, various fragments of, figured, . . . 92, 93 



Devonian, or Old Red Sandstone era, .... 91 



Dinornis, great fossil bird of New Zealand, . . . 164 

 Diplacanthus, Lower Old Red species, figured, . . .98 

 Diprotodon, extinct kangaroo of Australia, . . 159,366 



Distribution of life never uniform, .... 186 



Dithyrocaris, carboniferous bivalved crustacean, . . 108 



Dodo, extinct bird of the Mauritius, .... 164 



Dromatherium, jaw of, from North America, . . . llo 



Egg-packets, supposed fossil spawn of Crustacea, . . 96 



Electricity and vital phenomena, . . . . .181 



Elgin sandstones, containing reptilian remains, ... 99 



Embryology, nature of the doctrine of, . . . . 202 



Encrinites, Silurian genera, figured, . . .87 



Encrinites, various carboniferous forms, figured. . . 107 



Endogens, their aspect and function, .... 44 



Eocene flora and fauna, their characteristics, . . . 155 



Equisetites, fossil stems resembling the equisetum, . . 104 



Euomphalus, carboniferous gasteropod, figured, . . . 109 



Eurypteridae, palaeozoic Crustacea, characters of, . . 95 



Eurypterites, Silurian Crustacea, figured, . . . 89 



Eurypterus or Idothea, carboniferous crustacean, figured, . 108 



Exogens, their aspect and function, . . .45 



External conditions of life never uniform, . . . 188 



Extinction or creation of species, never general, . . .195 



Fauna and flora, their mutual co-adaptations, ... 66 



Flint implements from upper pleistocene, figured. . . 170 



Flora and fauna of the Current epoch, . . . .168 



Flora and fauna, their mutual co-adaptations, ... 66 

 Footprints, how occurring in a fossil state, . . . 126 



Foraminiferse, their abundance in chalk rocks, . . . 143 



Fossils, interest attached to, ..... 18 



Fossils, nature and character of, . . . .20 



Fresh- water formations, occurrence of, . . . 154 



Fresh-water shells of the Tertiary era, .... 157 

 Function, uniformity of, in all time past, . . . .184 



Functional adaptations of animal life, .... 51 



