-Coot 



FIG. 991. Lateral view of skull of Emys europaea. Core, occipital condyle ; F. frontal 

 FI. postfrontal ; /, foramen by which the olfactory nerve enters the orbit ; luff, jugal 

 M. maxilla ; Md. mandible ; Mt. tympanic membrane ; Na. external nares ; 01. exoccipital 

 Oxp. supra-occipital; P. parietal; Pj. pre-frontal ; I'm.'', pre-maxilla ; Qjy. quadrato-jugal 

 Q<i. quadrate ; Hi. inter-orbital sejitum ; Squ. squamosal ; Vo. vomer. (From Wiedersheim's 

 rative A i> atomy.) 



FIG. 99'2. Ventral view of the skull of Chelone myda8.--&s. i basi-sphenoid ; fr. frontal ; ;'. jugal 

 7/1. maxilla , ob. basioccipital ;ol. exoccipital ; op. opisthotic ; os. supraoccipital ; pal. palatine 

 '/mi-, parietal ; ph, post-frontal ; pri'r. prefrontal ; pt. pterygoid ; prm. premaxilla ; q. quadrate 

 f[j. quadrato-jugal ; sq. squamosal ; v. vomer. (After Hoffmann.) 



