chinensis 
Preanal pores 24; few enlarged scales dorsally kikuchii 
Hemidactylus 
Tail very depressed, edges denticulate garnoti 
Tail cylindrical, without serrated edges 2 
Scales on back granular; no enlarged scales on tail bowringi 
Large tubercular scales scattered on back; tail with rings of 
enlarged, tubercular scales 3 
Many tubercular scales on body, a few on head brooki 
Few tubercular scales on body; head without tubercular scales 
frenatus 
Teratoscincus 
Large dorsal scales beginning at shoulder przewalski 
Large dorsal scales beginning at occiput scincus 
SCINCIDAE 
Key to genera 
Supranasal present 2 
Supranasal absent 5 
Lower eyelid with a transparent disk; frontoparietals fused 
Emoia 
(A single species: E. atrocostata) 
Lower eyelid with small scales, no transparent disk 3 
Dorsals with 2-5 keels Mabuya 
Dorsal scales smooth 4 
Nostril between 2 nasals; one row of enlarged subcaudals 
Eumeces 
Nostril at center of a single nasal; subcaudals not enlarged 
Riopa 
(A single species: R. bowringi) 
Tympanum large, superficial Tropidophorus 
Tympanum small, situated in a depression 6 
Lower eyelid with transparent disk Leiolopisma 
Lower eyelid with small scales, no transparent disk 7 
Length of frontal about half distance from tip of snout to 
end of parietal; frontoparietals not in contact or just meet 
at a point; no enlarged preanal Ateuchosaurus 
(A single species: A. chinensis) 
Frontal shorter; frontoparietals with broad contact; a pair 
of enlarged preanals; if without large preanals, heel with an 
enlarged scale Lygosoma 
Eumeces 
Middle 2 rows of scales larger than laterals 2 
Mid-dorsals equal to or only slightly larger than laterals 3 
Twenty rows of scales around midbody; 4 light lines on body 
quadrilineatus 
Twenty six rows of scales around midbody; 5 light stripes on 
body marginatus 
One postmental; anal plate with keel elegans 
Two postmentals 4 
18 
