84 



REPTILE GALLERY. 



pai-ietals and tbe squamosal (sq) ; the latter is a mallet-shaped 

 bone, the basal extremity of which is in contact with a small bone, 

 the quadrato-jugal (qj), which represents the quadrate and jugal 



Pig. 28. 



Slioleton of Sana eacuienta. 



of higher Vertebrates J there are then two premaxillm (pm) and 

 two maoitUa (mw), bearing, in certain species, closely-set small 

 acute teeth. On the lower surface we distinguish the vomL (vo), 

 3ach of which bears sometimes a group of teeth, the palatines (pi) 

 horizontal, rod-sbaped bones, the ethmoid (e), a large T-shaped 



