124 



REPTILIA FROM THE POTTON BEDS. 



53 



14 



15 

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29 

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Name. 



Formation. 



Locality. 



Phalanx 



Ornithoscelida — cont. 

 Iguanodon — cont. 



Neocomian. | Potton. 



Reptilian Vertebrae, Genus doubtful. 



Centrum with flat faces and central Neocomian ] Potton. 

 pit. 



Two centra ankylosed, with flat faces 

 and central pit. 



Centrum with neural arch, faces con- 

 cave, central pit. 



Centrum with portions of neural 

 arch, faces concave, central pit. 



Centrum, pentagonal in form, 

 deeply biconcave. 



Centrum, concavo-convex, with bases 

 of neural arches. 



Small centrum, with bases of neural 

 arch, faces flat. 



Flat centrum, much worn 



Large flattened centrum, with tuber- 

 cles for articulation of ribs, faces 

 slightly concave. 



Portion of a similar specimen 



Similar but thicker vertebra with 

 tubercles lower down upon the 

 sides. 



? ? Ungual phalanges - - - 



I 



LONDONr 

 Printed by George E. Eyre and William Spottiswoode, 

 Printers to the Queen's most Excellent Majesty. 

 For Her Majesty's Stationery OflBce. 

 [15929.— 500.— 3/78,] 



