CLASS nEPTILIA. 



Blind Amphisbcena. Amph. Ccecay Cuv. 

 Eyes none. Martinique. 



c. Legs and suhanal pores none ; thoracic rings irregular ; 

 the plates united together in front. Lepostenion, Spia^. 



Dotted Leposternon- Lepostcrnon Microcephalus, Spix 



Amph. Punctata, Pr. Max. 

 Blue gray, with numerous black dots. 



Sharp-nosed Leposternon. Leposternon Oxyrhychuz. Dekay 

 Siliman Jour. xiv. 907. 



Yellowish ; back with three longitudinal grooves ; nose 

 pointed, not mucronate. 



11. Body covered with imbricate scales. 

 Gen. V. SciNcus. 

 Body covered with uniform imbricate scales ; head long ; 

 tongue short, contractile, two-cut. 



A. Legs four ; ears distinct. 



a. Toes 5, 5, margined ; muzzle acute, produced. Scincus. 



Shop. Seine. Scincus Officinalis, Linn. Egypt. 



b. Toes 5, 5 ; muzzle rounded ; body moderate ; scales 

 very hard, bony ; tail broads depressed. Trachydosaurus. 



Rugose. Trachydosaurus. Tra. Rugosa, Gray. King"'s Voy. 

 Scincus Pachyurus. Peron MSS. 



c. Toes 5, 5 ; muzzle rounded ; body moderate ; scales 



thin, silvery ; tail conical Tiliqua, Gray. 



New Holland Tiliqua. Tiliqua Whitii. Lacerta Scin- 

 coides, ^Shaw. White Jour, at p. 242. Cyclodus, Wag- 

 ler. Sc. Tuberculatus, Merrem. 



Large ; pale ; scales larg^, whitish ; six series on the 

 back of neck. New Holland. Brit. Mus. Cyclodeus 

 Flacigularis, Wagler, t. 6, appears to differ little from this. 



F 2 67 



