EUMECES BILINEATUS. 85 



I. Supranasal shields none. 



A. A small round space on the lower eyeHd is transparent, not covered with scales : Mocoa, Gray. 



* Vent covered by a pair of large anals. 



Scales in 24 longitudinal series ; ear not denticulated ; a pair of black 



lines along the back E. bilineatus, p. 85. 



Scales in 26 longitudinal series ; ear denticulated E. himalayanus, p. 86. 



Scales in 25 longitudinal series ; ear not denticulated ; uniform black . E. schlegelii, p. 86. 



Scales in 28 longitudinal series ; ear not denticulated E. modestus, p. 87. 



Scales in 34 longitudinal series ; ear not denticulated E. reevesii, p. 87. 



Scales in 38 longitudinal series ; ear denticulated E. ladacensis, p. 88. 



(** Anal shields similar to the abdominal Mocoa formosa, Blyth, p. 88.) 



B. The whole of the lower eyelid is scaly; body and tail of moderate length : Hinulia, Gray. 



Scales in 38 longitudinal series E. indicus, p. 89. 



Scales in 36 longitudinal series E. taprobanensis, p. 89. 



C. Lower eyelid entirely scaly ; body and tail very elongate ; limbs feeble : Podophis, Wgm. 

 Scales in 26 longitudinal series E. chalcides, p. 90. 



II. A pair of supranasal shields are present. 



A. The third hind toe is distinctly shorter than the fourth : Mabouya, Gray. 



Scales in 30 longitudinal series E. siamensis, p. 91. 



B. The third and fourth hind toes are equal, or nearly equal, in length : Riopa, Gray. 



* Body of moderate length. 



Scales in 30 transverse series E. bowringii, p. 91 . 



Scales in 56 transverse series ; the lower eyelid is scaly E. albo-punctatus, p. 92. 



Scales in 50 transverse series ; lower eyelid with a transparent disk . . E. hardwickii, p. 92. 



** Body elongate. 



Scales in 79 transverse series ; lower eyelid with a transparent disk . . E. punctatus, p. 93. 

 Scales in 80 transverse series ; lower eyelid scaly E. isodactylus, p. 93. 



EuMECES BILINEATUS. Tlie Black-striped SkinJc. 



Mocoa bilineata. Gray, Ann. if May. Nat. Hist. 1846, xviii. p. 430. Jerd. Journ. As. Soc. Be/iy. 

 xxii. p. 477. 



Supranasal shield none ; the lower eyelid is transparent. 



The single praefrontal is in contact with the rostral as well as with the vertical. Four 

 superciliary shields; a pair of anterior occipitals; front margin of the ear with a pair of 

 tubercles, not denticulated. Twenty-four longitudinal series of scales round the trunk, forty- 

 four transverse series between the axils of the fore and hind legs. Vent covered by a pair of 

 large anals ; subcaudals broad. 



