Dinosauria Iguanodon. 



21 



radius and ulna) are barely half toe length of the thigh and Wall-case, 

 shin bone (femur and tibia). This difference between the leg No. 6. 



and arm seems to have been a marked feature in a large Table-case, 



No. 15. 



FIG. 23. Restored skeleton, greatly reduced, of fguanodon Bernissartensis (Boulenger) ; 

 from the Wealden of Bernissart, Belgium (scale about -^ nat. size). A reproduction 

 of the original, which is preserved in the Royal Museum of Natural History, Brussels, 

 is placed in the centre of the Reptile Gallery. 



FIG. 24. Outer^'view of four lower teeth of Iguanodon in fragment of jaw, showing 

 unworn condition of teeth. From the Wealden of the Isle of Wight. 



number of Dinosaurs, as may be well seen in Hypsilophodon, 

 Compsognathus, and many others. 



Of the larger species of Iguanodon, I. Bernissartensis, a repro- 

 duction of the entire skeleton is placed in the middle of the 

 gallery, and a separate cast of the skull is also exhibited. The 

 height of the skeleton as mounted is about 14ft., and its length 

 about 25 ft. The great difference in size between the fore and 

 hind limbs noticed above is well shown. The original specimen 



