150 
Geology of Sydney. 
stone, 100 feet of iron hooping, GOO bricks, 20 feet of 
inch bar iron, 900 plain tiles, and 650 two-inch, half- 
round drain tiles ; while in the legs were four iron 
columns, nine feet long and four inches in diameter. 
Fig. 37. — Cross Section of a Lcibyrmlhodont' s Tooth 1 magnified. 
There is a restoration of a megalosauv in the 
Crystal Palace at Sydenham, England. This model was 
also constructed under the direction of Dr. Hawkins. 
On the back of the animal is a hump somewhat like 
the withers of a horse. From the few bones discovered 
at that time, this celebrated anatomist decided that, to 
1 Owen’s Palaeontology, Fig. 67. 
