40 ANOMODONTIA. 



advance of the parietal foramen there is a large azygous 

 " Wormian bone," separating the posterior portion of the 

 frontals ; this feature is noticed by Huxley in the * Palae- 

 ontologia Indica ' (Mem. Geol. Surv. Ind.), ser. iv. vol. 

 i. pt. i. p. 11, where this specimen (then labelled Ptycho- 

 gnaihus declivis) is referred to the present species. 



Presented by Sir George Grey, K.C.B., 1858. 



47073. The very imperfect and distorted skull of a slightly larger 



individual ; from the Cape Colony. 



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



47074. An imperfect and distorted skull, agreeing closely in size 

 (Fig.) with the preceding ; from the Cape Colony. Figured by 



Seeley in the ' Phil. Trans.' for 1889, pi. xiv., as Dicynodon 

 copei, of which it is the type. There are no characters by 

 which this specimen can be specifically distinguished from 

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



36223. An imperfect skull of the same size as the preceding spe- 

 cimen ; from the Bhenosterberg. The frontal and left 

 lateral aspects are fairly well shown. 



Presented by Sir George Grey, K.C.B., 1858. 



Specifically Undetermined Specimens from the Karoo system 

 of the Cape Colony. 



47075. A very imperfect skull; from the Cape Colony. The 



occipital region and the greater portion of the mandible are 

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



R. 1652. The imperfect occipital region of the cranium ; from the 

 Cape Colony. The quadrates are entire. No history, 



R. 1652 a. The anterior portion of a mandible ; from the Cape 

 Colony. The flattening of the inferior surface of the sym- 

 physis characteristic of this genus is well shown ; and part 

 of the lateral vacuity is also exhibited. No history, 



36284. The symphysial portion of a mandible ; from the Ehcnos- 

 terberg branch of the Sneewberg range. 



Presented by Sir George Grey, K.C.B., 1858. 



