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BRITISH FOSSILS. 
Eocene Fossils of the London Clay and Bognor 
series, among which is the specimen of Cerithium 
melanoides, figured in “Fossils of the South 
Downs,” Pl. XVII. ; also specimens of Nautilus 
truncatus, obtained in the Cutting for Highgate 
Archway. In the same case is a bone of 
Anoplotherum, from the Paris Basin, which was 
presented to Mr. Mantell, by Baron Cuvier. 
Cretaceous Formation. 
Fossil Sponges, in chalk and flint. 
Choanites, in flints. 
Fossil Fish, from the Chalk, among which is the 
unique specimen of Beryx, figured in “ Dixon’s 
Geology of Sussex.” 
Palatal Teeth, Scales, &e., of Fishes. 
Marsupites. (See “ Medals of Creation,” Vol. L, 
page 319.) 
Echinodermata, from the Chalk, including two 
specimens figured in “ Geology of Sussex,” 
Pl. VII. 
Chalk Mollusca, among which are the specimens 
of Pecten figured in “Fossils of the South 
Downs,” Pl. XXV. 
Fossils from the Gault and Greensand, some of the 
specimens being those figured in the “Geology 
of South Downs,” Pl. XTX ; also, Fossil Sponges 
from Faringdon, figured in “Wonders of 
Geology,” Pl. 140. 
WEALDEN FORMATION, 
This formation, famous for its gigantic reptiles first 
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discovered by Dr. Mantell, is represented by :— 
Transverse sections of the shaft of the femur and 
of the tibia of Iguanodon ; Casts of the teeth, 
horn, claws, and three teeth of the Iguanodon, 
two of which are the specimens figured in 
the original Paper in the ‘“ Philosophical Trans- 
actions,” announcing the discovery in 1825, 
and one being the first specimen submitted to 
