REPTILIA. 
19 
oxoniensis from the Stonesfield Slate near Oxford (the original 
bones being in the Oxford Museum). A plaster cast of the 
largest known femur or thigh-bone (Atlantosaurus immanis), 
6 feet 2 inches in length, from Colorado, is placed on Stand J. 
Ornithopsis, from the English Wealden, is represented in 
Wall-case 4 by various remains from the Isle of Wight, 
including fine vertebrae, which display their remarkably light 
construction resulting from a complicated arrangement of thin 
Fig. 13. — Tooth of a Sauropodous Dinosaur, probably Ornithopsis hulkei, 
from the Wealden of the Isle of Wight, inner (a) and outer (6) views; 
nat. size. (Table-case 15.) 
struts and plates of bone. A few isolated specimens of the 
feeble teeth of Cetiosaurus and Ornithopsis (Fig. 13) are 
shown in Table-case 15. There are also some bones of allied 
Sauropoda from Madagascar and Patagonia in Wall-case 4. 
Wall-case 
4 . 
Table-case 
15 . 
Stand J. 
