136 



SATJROPTERYGIA. 



inches). The costal facet is single and placed higher on 

 the centrum than in the specimen represented in fig. 41, 

 and the terminal faces have become ellipsoidal. The edges 

 of the latter are bordered, there is no mammilla surrounding 

 the median pit, and the base of the neural canal is much 

 expanded posteriorly. 



Presented by J. C. Mansel-Pleydell, Esq., 1888. 



Pig. 42. 



PUosaurus (cf.) macro', 

 cervical vertebra 

 co, costal facet. 



\erus. — Anterior and left lateral aspects of a late posterior 

 from the Kimeridge Clay of Kimeridge Bay. About \. 



R. 1278 a. Two centra of "pectoral " vertebra associated with the 

 preceding. The terminal faces have the same ellipsoidal 

 contour. Presented by J. C. Mansel-Pleydell. Esq., 1888. 



R. 1246. The centrum of a dorsal vertebra agreeing with the 

 specimen figured by Phillips, p. 356, fig. 150, and referred 

 to the present species ; from the Kimeridge Clay of 

 Gillingham, Dorsetshire. Length 0,108 (4*25 inches), 

 height 0,157 (6-2 inches), width 0,159 (6*3 inches). The 

 base of the neural canal is narrow, and moderately ex- 

 panded at the two extremities. Acquired about 1868. 



46795 d. The centrum of a later dorsal vertebra, agreeing very 

 closely in size with the preceding ; from Wootton-Bassett. 

 The neural suface is imperfect ; and the mammillae in the 

 centre of the terminal faces, so strongly marked in the 

 preceding specimen, are very indistinct. 



Cunnington Collection. Purchased, 1875. 



E. 1247. The crushed centrum of a dorsal vertebra, agreeing in 

 size with the preceding; from the Kimeridge Clay of 

 Wiltshire. No history. 



