22 MAURICE G. MEHL 
between the jugal and postorbital, is for this reason indicated by 
dotted lines. A comparison with Cope’s figure’ will bring out a 
few differences. The maxillary bone is here shown as taking part 
1b 
Fic. 1.—Pantylus cordatus Cope. ta, side view of skull with jaw attached. 10, 
top of skull showing sutures. Figures natural size. 
in the orbit. As indicated in Fig. 1a, the maxillary enters slightly 
into the external nares, but is excluded from the orbit by the lachry- 
mal and jugal which unite in the inferior border of the orbit about 
: Trans. Am. Phil. Soc., XVII (1892) 25, Pl. 1, Fig. 4. 
