Ig-uanodon. 
Wall-cases, 
ilos. 5 and 6. 
22 Dinosauria — Iguanodon. 
The Iguanodon was vegetarian in its diet, as is proved 
by its teeth, which correspond with those of the living and 
vegetable-feeding Iguana of S. America. 
Fig. 25. — Iguanodon Eemwartensis (Boulenger). Posterior view of a dorsal vertebra ; 
Wealden, Isle of Wight. 
p IG og _(a) Outer view ; (b), Profile of Tooth of Iguanodon (natural size), Wealden, 
* * Isle of Wight, 
Their teeth are not unfrequently found worn down at the* 
crown, like the molar teeth of the herbivorous mammalia at the- 
