Mr. D. M. S. Watson on the Cynodontia. 



509 



is further supported by the tabular covering-its hinder surface 

 and by an extension of its inner and upper corner on to the 

 outer surface of the parietal. 



Fi-. 2. 



b.V\x. Mx. 



Galesaurus planiceps, 0\v. The type-skull viewed from the side, X 1. 



Reference-letters as before, with : — Ju., jugal ; Lac, lachrimal ; 

 Qu.J., quadrato-jugal ; S.Mx., septouiaxilla. 



The upper surface of this massive root of the squamosal 

 is flattened and plunges down into the temporal fossa. 

 Laterally to its root the squamosal projects outward and 



Fia:. 3. 



Qu.J. Qu 



Galesaurus i^lcmiceps, Ow. Type-skull from behind, X 1. 

 I.Par., interparietal; Qu., quadrate ; Tab., tabular. 



downwards, the thin lower margin being incised by a trian- 

 gular notch associated with the insertion of the quadrate 

 complex. 



Ann. & May. N. Hist. Ser. 9. Vol. vi. 35 



