i8 2 EXTINCT MONSTERS 



Between 1832 and 1837 he discovered three specimens showing 

 ribs, limb-bones, vertebrae (of the tail), bony plates, and spines. 

 Unfortunately the skull and teeth are unknown; but the tail 

 appears to have been nearly six feet long. Mr. Waterhouse 

 Hawkins's model in the grounds of the Crystal Palace, at Sydenham, 

 near that of the Iguanodon, is rather a premature attempt at 

 restoration. 



The last, and in some ways the strangest of the Dinosaurs, 

 was the Triceratops l that flourished in America at the end of the 



FIG. 65. Skull of Sterrolophus allied to Triceratops, seen from above. (After 



Marsh.) 



long Mesozoic era, during the Cretaceous period. The name 

 refers to the three horn-cores found on the skull, which probably 

 supported true horns like those of oxen. Whereas the Stegosaur 

 was provided with quite a small skull, this monster had one of 

 huge dimensions and remarkable shape (see Fig. 65 and Plates 

 XXVII. and XXVIII.). In the younger ones it was about six feet 

 long, but in an old individual must have reached a length of seven 

 or eight feet. Such a skull is only surpassed by some whales of 

 1 Greek treis, three ; ceras, horn ; ops, face. 



