1a. Legs absent; a groove present on each side of the body from neck to vent … Slender Glass Lizard
1b. Four limbs present; no groove on side of body … 2
2a. Scales strongly keeled, making skin appear and feel rough … Eastern Fence Lizard
2b. Scales not keeled … 3
3a. Dorsal scales small and granular; venter with large transverse scales (fig. 20); dorsum with six longitudinal stripes; neck without black collar … Six-lined Racerunner
3b. Dorsal scales large and smooth … 4
4a. Frontal scale not rectangular (fig. 21a); lower eyelids with a transparent “window”; snout-vent length less than 55 mm … Little Brown Skink
4b. Frontal scale more or less rectangular (fig. 21b); lower eyelids without a transparent “window”; snout-vent length greater than 55 mm … 5
5a. One postlabial scale (fig. 22a); supralabial scales usually number 8 (fig. 22a) … Broad-headed Skink
5b. Two postlabial scales (fig. 22b); supralabial scales usually number 7 (fig. 22b) … Common Five-lined Skink
