44 



EXTINCT MONSTERS 



that they were the tracks of birds a view which was not adopted 

 by scientific men at the time, though afterwards many came 

 round to his opinion. We have perused his work with great 

 interest, and cannot but admire the care with which he studied 



FIG. 3. Portion of a slab of New Red Sandstone, from Turner's Falls, 

 Massachusetts, U.S., covered with numerous tracks, probably of Dinosaurs. 

 This specimen is now in the Natural History Museum, London. The separate 

 tracks are indicated by the numbers. (After Hitchcock.) 



the tracks and endeavoured to interpret their meaning, although 

 his conclusions now require a good deal of modification. 



Professor Hitchcock chose to give fanciful names to the 

 creatures that made the tracks, such as Brontozourn giganteuni, 



