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PEOCEEDINGS OP THE NATIONAL MUSEUM 



VOL. 77 



The spear-shaped bone filling the interspace between the maxillae 

 is here regarded as the combined prevomers. The pointed end is 

 interposed between the coalesced premaxillae, while the hinder ends 



L.T.E 



Bs.Pl.Pi'oc. 



Figure 2. — Skull of Palaeoscincus eugosidens. Ttpe. No. 11868, U.S.N.M. 

 Intekioh view. One-thikd natural size. Bs. Pt. Proc, Basiptertgoid 

 PROCESSES ; Ect., ECTOPTEEYGoiD ; Ex oc, ExocciPiTAL ; L. T. p.. Lateral 

 temporal FENESTRA ; Max., Maxillary ; T^ar. Vac, Narial vacuity ; 0, 

 Orbit; Oc, Occipital condyle; Pmx., Pre maxillary ; Prv., Prevomer ; Pt., 

 Pterygoids; Qu., Quadrate; Qiij., Quadratojugal ; Sq., Squamosal; IX, 

 XI, XII, Exits for cranial nerves 



form the anterior borders of the internal nares, and on the midline 

 articulate with the palatines. Sternberg was certainly mistaken in 

 regarding this portion of the palate in Edmontonia longiceps as 



