256 INDEX 
Teeth, of horse, 170 
of mammoth, 198, 199* 
_ of mastodon, 198, 199* 
of sharks, 29, 30 
of 'Thespesius, 105 
Thespesius, abundance of, 104, 105 
brain of, 93 
(Same as Claosaurus) 
engulfed in quicksand, 8 
impressions of skin, 132 
restoration of, 90* 
teeth of, 105 
at Yale, 109 
Tiger, preying on reindeer, 134 
Tile-fish, destruction of, 230 
Titanichthys, 28, 29 
Toothed birds, collections of, 88 
discovery of, 79 
Townsend C. H., 190-192 
Tracks, ascribed to birds, 38 
ascribed to giants, 45 
animals known from, 41 
collections of, 47 
_ of Connecticut Valley, 37 
deductions from, 44 
of Dinosaurs, 38,* 40,* 41, 4'7* 
discovery in England and America, 37, 42. 
how formed, 35, 40 
at Hastings, 44 
