-Coot 



FIG. 935. Lateral view of skull of Emys europsea. Cocc. occipital condyle ; F* frontal ; FI. 

 post-frontal ; /, foramen by which the olfactory nerve enters the orbit ; Jug. jugal; M. maxilla ; 

 Md. mandible; ML tympanic membrane; Na. external nares ; 01, ex-occipital ; Osp. supra- 

 occipital ; P. parietal ; Pf. pre-frontal ; P. mx. pre-maxilla ; Qig. quadrato- jugal ; Qu. 

 quadrate ; -Si. inter-orbital septum ; Squ. squamosal ; Vo. vomer. (After Wiedersheim.) 



FIG. 936. Ventral view of the skull of Chelonia xnidas. bs. basi-sphenoid ; j. jugal ; m. 

 maxilla ; ob. basi-occipital ; ol. ex-occipital ; op. opisthotic ; OS. supra-occipital ; pal. 

 palatine ; pt. pterygoid ; prm. pre-maxilla ; q. quadrate ; qj. quadrato-jugal ; sq. squamosal ; 

 v. vomer. (After Hoffmann.) 



