GLOSSARY 45 



Frontal. — The large plate or plates on top of the head be- 

 tween the supraoculars. Sometimes applied to the pre- 

 frontals. 



Frontoparietal. — Plates on top of the head between the 

 parietals and the frontal. 



Gastrosteges. — Large plates along the lower surface of the 

 body in most snakes. 



Gastrosttga. — See gastrosteges. 



Genials. — Large scales behind the mental of many snakes, 

 often in two pairs — anterior and posterior. 



Gular fold. — Transverse fold of skin of throat. 



Gular flate. — The first pair of plastral plates. 



Gulars. — Scales on throat. 



Humerals. — The second pair of plastral plates. 



Imbricate. — Lapped, like shingles. 



Inferior. — ^Lower. 



Infralabials. — Plates on the lower lip. 



Inguinal. — Plates on the posterior surface of the bridge of 

 turtles. 



Internasals. — Scales on top of the snout just behind the 

 rostral plate. 



Interfarietal. — A plate on top of the head (of lizards) 

 between the parietals and usually containing the pineal 

 spot. 



Juxtaposed. — Placed side by side, not imbricate. 



Keel. — A ridge along a scale like the keel of an overturned 

 boat. 



Labials. — Plates on the lips; specially, on the upper lip. 



Laterals. — Scales on the sides; the costals of turtles. 



Loral. — See loreal. 



Loreal. — In the space between the preoculars and nasals. 



Matulate. — Marked. 



Marginals. — The plates around the edge of the carapace. 



Mental. — Same as symphyseal, but usually of snakes. 



Mucronate. — Provided with a point or spine. 



