142 SAUROPTEKYGIA. 



R. 254 a. The centrum of a rather larger posterior dorsal vertebra ; 

 from Shotover. Length 0,061 (2-4 inches), height 0,074 

 (2-8 inches), width 0,080 (3-15 inches). 



Egerton Collection. 



31915. The crushed centrum of a very similar dorsal vertebra ; 

 from Shotover. Purchased. About 1852. 



31918. The crushed centrum of a dorsal vertebra ; from Shotover. 



Purchased. About 1852. 



24684. The centrum of a smaller dorsal vertebra ; from the Kime- 

 ridge Clay of Wootton-Bassett, Wiltshire. 



Cunnington Collection. Purchased, 1849. 



24684 a. The centrum of a dorsal vertebra ; from Wootton-Bassett. 



Cunnington Collection. 



R. 1277. Three imperfect centra of anterior dorsal vertebras; from 

 the Kimeridge Clay of Kimeridge Bay, Dorsetshire. 



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



41776 x. The centrum of an anterior dorsal vertebra agreeing very 

 closely with that of No. 31925 ; from Weymouth. 



Purchased, 1869. 



41776 y. The centrum of what is apparently a lumbar vertebra ; 

 from Weymouth. Purchased, 1869. 



20280. The centrum of a posterior dorsal vertebra; from the 

 Kimeridge Clay of Ely. Length 0,063 (2-5 inches), 

 height 0,090 (3-5 inches), width 0*095 (3-75 inches). 

 Although of somewhat larger dimensions this specimen 

 accords well with the dorsal figured by Phillips, op. cit. 

 p. 361, fig. 157, exhibiting the same spoon-shaped base 

 of the neural canal, and the flattened terminal faces, 

 which are, however, more nearly circular. 



Purchased, 1846. 



41802. The centra of four dorsal and three caudal vertebrae, 

 apparently associated ; from Ely. The dorsals agree with 

 the preceding specimen ; the caudals, of which the third 

 has chevron-facets on its posterior border, have the same 

 great posterior expansion of the base of the neural canal. 



Purchased, 1869. 



31901. The centrum of a dorsal vertebra, agreeing in size with 

 No. 20280 ; from Shotover. Purchased. About 1852. 



