I 



INDEX 



Coccosteus — curious fish 

 found in the same 

 rocks as the Pterich- 

 thys, 256 

 Huge fish alHed to found 

 in Ohio, U.S., 256 — il- 

 lustration, 257 



Cochlea — spiral cochlea a 

 distinctive mark of 

 mammals, 75 



Collections of fossils — de- 

 lights of fossil-hunting, 

 where to seek fossils, 

 etc., 295 



Comatula or Antedon — living 

 British Encrinite, mi- 

 nute young of the 

 feather starfish, 291 , 292 



Condyles of the skull, mam- 

 m a 1 s distinguished 

 from birds and reptiles, 



7a 



Cope, Professor, 206 



Coypu rat, teeth of, 81, 82 



Crab — ^king crab see that title 



Crocodile : 



Air-breathing — different 

 position of nose-pas- 

 sages in living and ex- 

 tinct crocodiles, 191 

 Skull, photograph of, show- 

 ing single condyle, 74 

 Teeth — photographs of 

 gharial and true croco- 

 dile showing peg-like 

 teeth, 82, 83 



Crumpling of strata see 

 Tilting 



*' Crust " of the earth a mere 

 skin, 50 



Cuttle-fish — Belemnite's 

 cuttle-fish, 270, 271 



Cynognathus — Theromoph 

 reptile, 210 



Deer — skeleton of male of 

 giant Irish deer, 94, 96 



Definition of extinct animals, 

 1 



Devonshire — change in coast 

 level at Plymouth, 38 



Diagrams ; 



King-crab, 284, 285 

 Stratified rocks, table show- 

 ing approximate thick- 

 ness of systems of 

 strata and position in 

 which animal remains 

 have been found, 60- 

 62 



Dicynodon — Theromorph rep- 

 tile, 210 



Dimetrodon — ^reptile of the 

 Theromorphan group, 

 210 



Dinichthys — fish allied to the 

 Coccosteus found in 

 Devonian rocks of 

 Ohio,256 — illustration, 

 257 



Dinoceras : 



Brains much smaller than 

 those of recent big 

 animals, 148-151, 209 

 Horns and tusks, 147 

 Picture of, probable ap- 

 pearance in life, 149 

 Skeletons found in Upper 

 Eocene of Wyoming, 

 147, 148 



Dinosaurian group of reptiles : 



Birds, structure of — reptile 



coming nearest to, 236 



I 



303 



