RHYSrCHOSATTRIDiE. 297 



The following specimens ivere obtained from the Keuper (Upper Trias) 

 of Grinsill, Warwickshire, and, unless it is stated to the con- 

 trary, were presented by Robert Gardner (jun.), Esq., 1886. 



R. 1236. The cranium, imperfect posteriorly, with the symphysis 

 (Fig.) and greater portion of the left ramus of the mandible. 

 Described and figured by Huxley in the ' Quart. Journ. 

 Geol. Soc. ' vol. xliii. p. 689, pi. xxvii. fig. 1, and wood- 

 cuts figs. 2 & 5. Presented by Rev. J. Be La Touche, 1886. 



R. 1237. Fragment of rock, exhibiting the palatal aspect of the skull. 



R. 1238. A slab, showing a considerable portion of the skeleton of 

 (Fig.) the same individual as No. R. 1236. The right pes is 

 figured by Huxley, op. cit. pi. xxvii. fig. 5. 



R. 1239. The two sides of a split slab of stone, showing a consider- 

 able portion of the skeleton. Described by Huxley, op. cit. 

 p. 690, pi. xxvii. figs. 2-4. This specimen probably 

 belongs to the same individual as the skull No. R. 1237. 



R. 1240. Two fragments of rock, showing part of the caudal region. 



R. 1241. Fragment of rock with an imperfect limb. 



Genus HYPERODAPEDON, Huxley 1 . 



Skull very short and wide, with relatively small orbit and supra- 

 temporal fossae, of which the former is directed upwardly ; dentary 

 border of palato -maxilla highly convex, and external border concave 

 and iuner convex. Posterior maxillary and palatine teeth arranged 



Hyperodapedon gordoni — Diagrammatic view of the left lateral aspect of the 

 skull ; reduced. Or, orbit ; t, infratemporal fossa. {After Hiuvhy.) 



in more than two longitudinal rows. Mandibular symphysis long, 

 with elongated rostral processes ; and the rami widely divergent 



1 Quart. Journ. Geol. Soc. vol. xv. p. 435 (1S59). 



