INDEX 



Teeth and jaws — contd. 

 Pig's teeth : 



Description of, number, 

 arrangement, etc., 76, 

 78 

 Front teeth have single 

 fang, cheek teeth two 

 fangs, 78, 79 

 Photographs of, 77, 79 

 Standard pattern for 

 teeth of all mammals, 

 76 

 Reptiles, teeth of, 81, 82, 83 

 Ridges — elephant, mam- 

 moth and mastodon 

 compared, 110-115 

 Sea-cow — bony plates in- 

 stead of teeth, 23 

 Sharks — enormous teeth, 

 where found, etc., 263, 

 264, 265 

 Slit — crown of tooth in lower 

 jaw divided by slit into 

 two halves, described 

 as bi-f oliate — pecu- 

 liarity of the giraffe 

 and allied animals, 158, 

 159 

 Tusks see that title 

 Two fangs peculiar to mam- 

 mals, other animals 

 only single fangs, 78 

 Tetrabelodon angustidens see 



Mastodon 

 Texas, refer to U.S.A. 

 Thames, river — aVnount of 

 limestone, etc., carried 

 past Kingston each 

 year, 43 

 Theriogaea or land of big ani- 

 mals — zoological pro- 

 vince, 63, 64 



Theromorph reptiles : 



Extinct order of reptiles, 

 192 



Co-existence of, in the two 

 localities, Russia and 

 South Africa, 212, 221, 

 222 



Older group than Dino- 

 saurian reptiles — where 

 remains had been dis- 

 covered, etc., 209 



Remoteness of the time 

 when these reptiles 

 lived, 218 



Russia, North : Professor 

 Amalitzky's discover- 

 ies, 212-222 

 Nodules containing skele* 

 tons, 213-216 

 {for particular members of 

 this group see their 

 names — Pariasaurus, 

 Dicynodon, Inostran- 

 sevia, etc.) 



Thickness of each system of 

 strata, diagram, etc., 

 60-62 



Thigh-bone of Atlantosaurus, 

 11,12 



Thompson, Vaughan, 290 



" Thunder-bolts " — Belem- 

 nite's cuttle-fish fossils, 

 270 



Tiger — teeth of clouded tiger, 

 81 



Tile-fish, destruction of, 

 owing to change in 

 temperature of sea, 

 near American coast, 

 31 note 



328 



