MANUAL OF NATURAL HISTORY. 61 



12. Family. — Anguine- Lizards (Chamaesauridae). 



Head-shields many-sided ; tongue nicked ; 

 palate toothless ; temple scaly ; eyelids dis- 

 tinct, lower scaly ; body subcylindrical, elon- 

 gate, all except head covered with rings of 

 elongate keeled scales in longitudinal series ; 

 limbs rudimentary ; ears distinct ; no lateral 

 groove. 



2. TRIBE. — Geissosaurians (Geissosauria). 



Scales of belly, back, and sides rounded, quincun- 

 cial, imbricate ; sides rounded, with scales like those 

 of back ; tongue narrow, short, flat, and slightly 

 nicked ; head with regular many-sided shields ; neck 

 not contracted ; body fusiform or sub-cylindrical ; 

 praeanal pores mostly none. 



A. Eyes distinct, exposed; eyelid rudimentary; 

 head conical. 



13. Family. — Gape-eyed Skinks (Gymnophthalmi- 



dae). Body fusiform ; ears distinct ; eyelid 

 circular, immoveable ; nostrils lateral in a 

 nasal shield ; teeth conical, simple ; palate 

 toothless ; tongue scaly, nicked ; limbs 4, 

 weak, unequal ; femoral pores none. 



14. Family. — Pygopodes (Pygopodidse). Body cy- 



lindrical, elongate ; ears distinct ; eyelid im- 

 moveable, scaly ; head pyramidical, shielded ; 

 nostrils oblong; teeth conical, simple, palate 

 toothless ; tongue flat, scaly in front, velvety 

 behind, nicked ; ventral shields in 2 or 4 



