On the Skull and Dentition of a Triassic Saurian ( Galesaurus planiceps , Ow.)

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Abstract
In the year 1858 it was my good fortune to receive from Sir George Grey, K.C.B., Governor of the Cape of Good Hope, a fossil skull from the Triassic sandstone of the Rhenosterberg, which combined dental characters, indicated by the sockets and fragments of teeth, most resembling those of a Carnivorous Mammal, with the unequivocal cranial structure of a Saurian Reptile. This interesting evidence of the Vertebrate life of that geological period and locality is described and figured in my ‘Catalogue of the Fossil Reptilia of South Africa,’ 4to, 1876, p. 23, pl. xviii. figs. 6–11, as a species of an extinct genus, Galesaurus , and as the type of a Division of the Class Reptilia , subsequent accessions to which, also described and figured in the same work, led me, by similar modifications of the dentition, to group them in a distinct suborder termed Theriodontia ( op. cit. p. 15). The collection of fossils from the same formation, in the locality of ‘Theba-chou,’ Basuto Land, subsequently deposited in the Geological Department of the British Museum of Natural History, by Dr. Exton, which, together with the evidence of a mammalian genus ( Tritylodon ), included remains of the reptilian genera Kistecephalus and Batrachosaurus , has also furnished the subject of the present paper. Characters of the skull and teeth, more or less mutilated in the original specimen of Galesaurus , have been brought to light by careful removal of the adherent matrix from the present fossil, under the superintendence of my friend Mr. W. Davies, Assistant in

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