INDEX 



Bats' wings — resemblance be- 

 tween wings of a Ptero- 

 dactyles and those of 

 a bat, 232, 233 

 Beadnell, Mr., 152 

 Beaver extinct in England, 

 still existing in Europe 

 and America, 15, 16 

 Beecher, Prof. C. E., 274, 281 

 Belemnite's cuttle-fish — fos- 

 sils called " thunder- 

 bolts " in parts of 

 England, etc., 270 

 Berjeau, Mr., 292 

 Bird-like footprints on slab of 

 Triassic rock from Con- 

 necticut, 54 

 Birds : 



Animals, birds constituting 



group of, 23, 56 

 Derived from reptiles, rep- 

 tiles coming nearest to 

 birds in structvire, etc., 

 202, 235, 236, 239 

 Feather-bearing wing of 

 modern birds, begin- 

 ning of, 202 

 Fossil remains, where 



found, etc., 236, 239 

 New Zealand — giant birds 



see New Zealand 

 Skull, single joint at back 



of, 74 

 Teeth, fossil remains of 

 birds with full set of 

 teeth like those of rep- 

 tiles, 236, 237 

 Wingless birds : 



Loss of wings, causes, 



etc., 241, 243 

 Remains of, where found, 

 etc., 240 



Wingless birds— confd. 



Water-bird, Hesperornis, 

 etc., 244 

 Wings : 



Fin-like organs, wings 

 probably derived from, 

 234 

 Reptiles — wings of the 

 flying reptile, Pterodac- 

 tyle, compared with, 233 

 {for particular birds 

 see their names) 

 Birkenia — oldest renaains of 

 fishes which have been 

 discovered, 262 

 Bognor Rock — photograph 

 of slab with shells em- 

 bedded, 45 

 Bones : 



Age of remains discovered, 3 

 Buried remains indicating 

 kind of animal, food, 

 etc., 2-4 

 Recognition of — marks, etc., 

 by which fragments of 

 bone may be referred 

 to their proper classes, 

 67, 72-76 

 {see also Skulls) 

 Boucher de Perthes, M., 87 

 Bi'ains, size of : 



Dinoceras and Titanothe- 

 rium, brains much 

 smaller than those'* of 

 recent big animals, 

 148-151, 209 

 Size of, in proportion to 

 body — tiny size of 

 brains of Dinosaiman 

 reptiles, probable effect 

 on their ceasing to ex- 

 ist, 209 



300 



