226 SATJEOPTERYGIA. 



group ; and the height and breadth of the neural spine is 

 also well exhibited. The neuro-central suture is obli- 

 terated. Mantell Collection. Purchased, 1838. 



2517. The centrum of a very similar vertebra ; from Cuckfield. 



Mantell Collection. 



2442. The centrum of a posterior cervical vertebra, in a waterworn 



condition ; from Cuckfield. The costal facet is connected 

 by a ridge with the arch. Mantell Collection. 



2440. The centrum of a dorsal vertebra agreeing in size with the 



preceding, and probably referable to the same species ; 

 from Cuckfield. This specimen is apparently indistinguish- 

 able from the dorsals figured by Koken in the ' Pal. 

 Abhandl.' vol. iii. art. 5, pi. ix. figs. 1, 2, as P. degenhardti. 



Mantell Collection. 



2435. An imperfect dorsal centrum of similar type ; from Cuckfield. 



Mantell Collection. 



2445. A similar specimen ; from Cuckfield. Mantell Collection. 



2448. A dorsal vertebra, with the neural spine and zygapophyses 

 imperfect ; from Cuckfield. Mantell Collection. 



2432. The arch of a dorsal vertebra ; from Cuckfield. 



Mantell Collection. 



36530. A nearly entire dorsal vertebra ; from Cuckfield. 



Mantell Collection. Purchased, 1853. 



2441. An imperfect dorsal vertebra; from Cuckfield. This spe- 



cimen strongly resembles the dorsals of C. portlandicus, 

 having the same anterior overhang of the centrum. 



Mantell Collection. Purchased, 1838. 



2439. The centrum of a dorsal vertebra ; from Cuckfield. 



Mantell Collection. 



2443. A similar specimen ; from Cuckfield. Mantell Collection. 



36536. The imperfect centrum of a dorsal vertebra ; from Cuckfield. 



Mantell Collection. Purchased, 1853. 



28521. The proximal portion of a humerus or femur probably be- 

 longing to this form ; from the Wealden of Sussex. In 

 the relatively small size and position of the trochanter this 

 specimen differs widely from the propodialof C. valdensis. 

 Dixon Collection. Purchased, 1851. 



