SUPPLEMENT. 



255 



the Cambridge Greensand. Probably associated with the 

 preceding ; noticed by the writer, I. c. p. 42. 



Presented by Sir E. Owen, K.C.B., 1884. 



R. 460 b. The centrum and base of the arch of a nearly similar 

 dorsal vertebra, which has been longitudinally bisected in 



Fig. 60. 



? Syngonosaurus macrocercus. — Posterior and left lateral aspect of an imperfect 

 dorsal vertebra ; from the Cambridge Greensand. \. t.p, transverse pro- 

 cess ; pt.z, postzygapophysis ; n.c, neural canal. (From the ' Quart. 

 Journ. Geol. Soc.') 



a vertical plane ; from the Cambridge Greensand. Pro- 

 bably associated with the preceding ; noticed by the writer, 

 I. g. Presented by Sir R. Owen, K.C.B., 1884. 



R. 460 C An imperfect dorsal vertebra probably belonging to the 

 same individual as the preceding ; from the Cambridge 

 Greensand. Presented by Sir B. Owen, K.C.B., 1884. 



46376. The centrum of a sacral vertebra which belongs to the pre- 

 sent or an allied form ; from the Cambridge Greensand. 

 Cunnington Collection. Purchased, 1875. 



Genus non det. 

 The following specimen probably indicates a Dinosaur allied to 



