1899.] 



FROM TUE LO\DO^' CLAY OF SlIEPPEY. 



777 



and on the exposed (right) side the postorbital and zygomatic 

 processes, together with the outer half of the quadrate, are much 

 abraded. 



riff. 1. 



ch.p. 



Skull of Prophaethon shruhsolei, froiu above. Natural size. 



chqy., cerebellai- prominence; j., jugal; l.s., surface for articulation with 

 lachrymal; oi., extei'nal nares ; n.g., narial groove; r.h., rostral hinge; 

 sq., squamosal ; t.f., temporal fossa ; -p.o.])., postorbital process. 



The occipital surface (Plate LI. fig. 2) of the skull is wider 

 than it is high. The sessile occipital condyle (pec.) is nearly 



