168 SCINCIDE. 
15. Mabuia socotrana *. 
Kuprepes perrotteti, var., Blanf. Proc. Zool. Soc. 1881, p. 469. 
—— (Euprepis) socotranus, Peters, Sitzb. Ges. Naturf. Freunde, 
1882, p. 45. 
Snout moderate, obtuse. Lower eyelid with a transparent disk, 
Nostril just above or behind the suture between the rostral and the 
first labial ; a postnasal; anterior loreal usually in contact with the 
first labial ; supranasals in contact behind the rostral ; frontonasal 
broader than long, sometimes in contact with the frontal; latter 
as long as the frontoparietals and interparietal together, in contact 
with the second, or second and third supraoculars; four supra- 
oculars, second largest and usually touching the prefrontal; four 
supraciliaries, second longest ; frontoparietals distinct, smaller than 
the interparietal; parietals entirely separated; a pair of nuchals; 
snbocular between the fourth and fifth upper labials, nearly twice 
as long as these shields, not narrowed inferiorly. Ear-opening 
oval-subtriangular, not quite as large as the eye-opening, with three 
or four long pointed lobules anteriorly. Dorsal scales mostly tri- 
carinate ; some, however, may be quinque- or septemcarinate (all 
so in the specimen described by Peters); nuchal and lateral scales 
feebly keeled; 31 to 34 scales round the middle of the body. The 
hind limb reaches the wrist of the adpressed fore limb, or a little 
beyond. Subdigital lamelle smooth. Tail about once and a half 
as long as head and body. Uniform olive above, head rufous- 
brown ; lower surfaces yellowish white. 
millim. millim 
Total length ...... 218 Fore limb........ 27 
Head............ - 19 Hind limb........ 38 
Width of head .... 13 Maal = 2 fo sia ie hats ada, 2 125 
Body ei ee eens ws 74 
Socotra. 
a-d. Ad. Socotra. Prof. I. B, Balfour [C.]. 
16. Mabuia perrotetii. 
Euprepis perrotetii, Gray, Cat. p. 111. 
inornata, Gray, 1. c. p. 118. 
Euprepes perrotetii, Dum. § Bibr. v. p. 669; Steindachn. Sitzb. Ak. 
Wien, 1xii. i. 1870, is 331; Bocage, Jorn. Sc. Lisb. iv. 1872, p. 78; 
Boettger, Abh. Senck. Ges. xii. 1881, p. 108. 
(Iiuprepis) pleurostictus, Peters, Mon. Berl. Ac. 1864, p. 52*, 
Snout moderate, obtusely pointed. Lower eyelid with a trans- 
parent disk. Nostril just above or behind the vertical of the suture 
between the rostral and the first labial ; a postnasal, usually resting 
on the first and second upper labials; anterior loreal not touching 
* Types examined. 
