CLASSIFICATION OF THE THBRIODONTIA. 



Text-fieure 11. 



51 



X"- PfiR.Oc. Qu. 



Scymnognatlius ivhaitsi Broom. 

 Posterior part from R. 4053. Snout reconstructed from a series of transverse sections 

 of 49369 completed from R. 4052. Ectopterygoid region + detached area 

 including the vomer B. 4053. Xf. B.Pt., basipterygoid process. 



4* 



