D1CYN0D0NTIDJE. 27 



R. 1651. The imperfect mandible of a still larger individual ; from 

 the Karoo system of the Cape Colony. The extremity of 

 the symphysis, the hinder portion of the left ramus, and 

 the whole of the alveolar borders are wanting. The 

 right articular bone is well preserved, and shows that the 

 undetermined bone from the Gondwanas of India, figured 

 by the writer in the ' Palaeontologia Indica ' (Mem. Geol. 

 Surv. Ind.), ser. 4, vol. i. pt. 3, pi. ii. figs. 12, 13, is also 

 an articular. The shortness and depth of the symphysis 

 suggests reference to D. tigriceps. 



Presented by W. G. Atherstone, Esq., M.D., 1875. 



R. 860. The imperfect anterior extremity of the cranium of a com- 

 (Fig.) paratively small individual ; from the Karoo system of the 

 Gouph district, near Beaufort West, on the southern flank 

 of the Nieuwveldt range. The palatal aspect is figured, 

 with a restoration of the posterior half, in fig. 4 (p. 18). 

 This specimen is important as being the only one clearly 

 showing the small palatines lying on the inner sides of the 

 anterior bars of the pterygoids ; the articulation of the 

 latter with the maxillae is also exhibited, while portions of 

 the maxillo-premaxillary suture are likewise shown. 



Purchased from T, Bain, Esq., 1880. 



R. 1671. A water-worn mass containing an imperfect skull ; from 

 (Fig.) the Cape Colony. This specimen, which has been bisected 

 in a longitudinal and vertical plane, is figured by Seeley 

 in the ' Phil. Trans.' for 1889, pi. ix. fig. 1. The cavity 

 of the right tusk is exposed, and the contour of the 

 mandibular symphysis is well preserved. JS J o history. 



36239. The lower portion of the occiput of an individual of the 

 size of D. tigriceps, and not improbably referable to that 

 species ; from near Fort Beaufort. The condyle and the 

 portion below is shown. 



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



R. 1021. The occiput of an individual of the size of the type of 

 (Fig.) Dicynodon lacerticeps ; from the Rhenosterberg. Figured 

 by Seeley in the ' Phil. Trans." for 1889, pi. x. figs. 1, 2; 

 and also in woodcut fig. 5 of this volume. A trace of 

 the suture between the basi- and exoccipitals can be 

 detected on the external surface, but no other is visible. 



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



