6. 
Dinosauria. 
PLATE 20. 
Iguanodon Mantelli, one fourth nat. size. 
. Front view of the right femur: la, Outline of the head of the bone: 14, Outline 
of the condyles of the bone. 
. Back view of the right tibia ofa somewhat larger individual. 
From the Wealden of Tilgate Forest, Sussex. In the British Museum. 
. Outside view of the fibula of a younger Iguanodon. 
4. Inside view of the same bone. 
. Front view of the same bone. (The upper end of the bone is downwards in these 
figures.) 
Lower end of the same bone. 
. Upper end of the same bone. 
From the Wealden of Sussex. In the Museum of J. B. Holmes, Esg,. 
of Horsham. 
. A slightly magnified view of the surface of a piece of the corium or true skin of 
the Zguanodon. 
From the specimen in Pl. 6; from the Wealden of Cowleaze Clime. In the 
Museum of J. S. Bowerbank, Esq., F.R.S. 
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