82 Hesperornis, Shufeedt io 



Explanation of Plate i. (13) 



Restoration of the basis cranii of fiesperomis regalis. 



pmx, premaxillary ; pp, prepalatine ; mxp, maxillo-palatine ; mx, 

 maxillary ; f frontal ; v, vomer : /, lacrymal ; /, jugal ; -pi, palatine ; 

 pf, postfrontal process ; ft, frontal ; qj, quadra to-jugal ; pt, pterygoid; 

 qu, quadrate ; sq, squamosal ; eo, exoccipital ; bo, basioccipital ; oe. c, 

 occipital condyle. 



(Reduced ; the amount of reduction being easily estimated from the 

 measurements given in the text. ) 





