PLESIOSATJRID.E. 



237 



of the centrum are : — length 0,053 (2*1 inches), height 0,047 

 (1-85 l inches), width 0,067 (2-65 inches). In the figure 

 the neuro-central suture is a feature which is not shown in 

 the original, and the neural spines would have been much 

 higher if the specimens were perfect. 



Made in the Museum, 1838. 



Fig. 72. 



Cimoliosaurus plicatus.— Posterior (1), hrcmal (2), and anterior (3) aspects of a 

 late cervical vertebra, and right lateral aspect of two such vertebrae ; from 

 the Oxford Clay of Oxfordshire. £. z, pre-, z\ postzygapophysis. {After 

 Phillips.) 



R. 1262. Casts of the imperfect 33rd cervical and 3rd caudal ver- 

 tebrae. The originals belong to the type skeleton of 

 Muramosaurus leedsi, obtained from the Oxford Clay of 

 Peterborough, Northamptonshire, and preserved in the 

 collection (No. 21) of A. N. Leeds, Esq., of Eycbury, near 

 that town. The cervical is figured by Sceley in the 

 ' Quart. Journ. Geol. Soc' vol. xxx. pi. xxi. fig. 2. The 

 centrum has been crushed, so that its height and width 

 cannot be determined; but the length is 0,054 (2'12 

 inches). In the 39th cervical represented in fig. 3 of the 



1 Given by Phillips as 2-0 inches. 



