DICYNODONTID^. 47 



R. 1689. The imperfect anterior portion of a still larger cranium ; 

 from Styl-Krantz. This specimen is important as showing 

 sections of a pair of tusk-like maxillary teeth on the 

 palatal aspect. It may belong to the next form. 



Presented by A. G. Bain, Esq., 1853. 



47082. The imperfect cranium ; from the Karoo system of the 

 Graaf-Reinet district, on the southern flank of the Sneew- 

 berg range. The bones forming the upper borders of the 

 , supratemporal fossoe are wanting. 



Presented by E. JS 1 . Bubidge, Esq., M.D. 



Cistecephalus leptorhimis, Owen x . 



In the type of this species the muzzle appears to be more deflected 

 than in C. microrhinus, in consequence of which the large nares are 

 placed considerably below the level of the orbits. The type skull is 

 larger than that of C. microrhinus. 



Hab. South Africa. 



47067. The imperfect cranium ; from the Karoo system of Styl- 

 (Fig.) Krantz, in the Sneewberg range. The type ; figured by 

 Owen in his ' Catalogue of the Fossil Eeptilia of S. Africa/ 

 pi. lxiv. figs. 1-3. This specimen shows a large azygous 

 bone in advance of the parietal foramen comparable to the 

 one noticed in Ptychosiagum (p. 39). 



Presented by A. G. Bain, Esq., 1853. 



Cistecephalus planiceps, Owen 2 . 



S} 7 n. Cistecephalus batkygnathus, Owen 3 . 



Smaller than the type species, with a relatively longer cranium, 

 in which the temporal bar is proportionately longer and narrower. 

 Hab. South Africa. 



47070. The imperfect cranium, with the palatal surface concealed 



(Fig.) by matrix ; from the Karoo system of Styl-Krantz, on the 



flanks of the Sneewberg range. The t}*pe; figured by 



Owen in his ' Catalogue of the Fossil Eeptilia of S. Africa,' 



pi. lxiv. figs. 10-13. Presented by A. G. Bain, Esq., 1853. 



1 Cat. Fos 3 . Kept. S. Africa, p. 64 (187G). 



2 Loc. cit. 3 Ibid. p. 65. 



