86 ANOMODONTIA. 



West. The transverse process of the left side is nearly 

 entire, and is situated at a higher level than in the pre- 

 ceding specimen. The large intercentral facets are well 

 shown. The tall neural spine and the oblique zygapo- 

 physes at once distinguish this specimen from the cervicals 

 of Pariasaurus. Purchased from T. Bain, Esq., 1880. 



43525 "b. An imperfect anterior dorsal vertebra ; from the Karoo 

 {Fig.) system of Gats-Plaatz, Spreuw Fontein, Prince Albert 

 district. Figured by Owen in his ' Catalogue,' pi. iii., and 

 also in the ' Quart. Journ. Geol. Soc' vol. xxxii. pi. iv., 

 as Tapinocephalus ailierstonei. There are no intercentral 

 facets. The base of the neural arch remains, and the 

 elongated rib-facet is situated entirely on the centrum. 

 The haemal aspect of the centrum is rounded. 



Presented by W. G. Atherstone, Esq., M.D., 1872. 



43525 C. A similar associated imperfect dorsal vertebra ; from 



Gats-Plaatz. Noticed in Owen's < Catalogue,' p. 4, no. 6. 



Presented by W. G. Atherstone, Esq., M.I)., 1872. 



43525 d. A slightly later associated imperfect dorsal vertebra; from 

 Gats-Plaatz. Noticed by Owen, I. c. (as No. 6'). The 

 rib-facet has ascended partly on to the arch. 



Presented by W. G. Atherstone, Esq., M.D., 1872. 



43525 e. An imperfect associated later dorsal vertebra; from Gats-- 

 Plaatz. Noticed by Owen, loc. cit., as No. 7. The rib- 

 facet has ascended on to the arch, and the haemal aspect of 

 the centrum is somewhat flattened, and the sides are 

 depressed. 



Presented by W. G. Atherstone, Esq., M.D., 1872. 



43525 f. An imperfect associated trunk-vertebra, still later in the 

 series ; from Gats-Plaatz. Noticed by Owen, loc. cit., as 

 No. 8. The neuro-central suture has descended upon the 

 centrum. 



Presented by W. G. Atherstone, Esq., M.D., 1872. 



43525 g. A somewhat later imperfect associated trunk- vertebra ; 

 from Gats-Plaatz. Noticed by Owen, loc. cit., together 

 with the preceding specimen, as No. 8. The neuro-central 

 suture descends on to the centrum, as in the preceding 

 specimen ; but the centrum has become shorter, and has 

 lost the marked lateral depressions of the latter. 



Presented by W. G. Atherstone, Esq., M.D., 1872. 



