7. MABUIA, 169 
the first labial ; supranasals in contact behind the rostral; fronto- 
nasal broader than long; preefrontals forming a median suture; 
frontal about as long as the frontoparietals and interparietal 
together, in contact with the second and third, or rarely also the 
first, supraoculars; four supraoculars, second largest and usually 
touching the prefrontal ; six or seven supraciliaries ; frontoparietals 
distinct, smaller than the interparietal, which entirely separates the 
parietals; a pair of nuchals; subocular between the fourth and 
fifth upper labials, about twice as long as these shields, not nar- 
rowed inferiorly. Ear-opening oval-subtriangular, smaller than 
the eye-opening, anteriorly with a feeble denticulation formed by 
three or four short pointed lobules. - Dorsal scales strongly tri- 
carinate ; laterals feebly keeled or nearly smooth ; 32 to 34 scales 
round the middle of the body. The adpressed limbs meet, or the 
extremity of the fourth toe reaches the wrist. Subdigital lamella 
smooth. Tail about once and a half as long as head and body. 
Olive or brownish above, uniform or with small dark brown or 
whitish (red) spots; frequently a rather indistinct light dorso- 
lateral band ; lower surfaces yellowish white. 
: voillim. millim. 
Total length ...... 418 Fore limb........ 43 
Head. sees wees 33 Hind limb ...... 55 
Width of head .... 27 Wall ce chai reas 255 
Body os eveswen ses 130 
A larger specimen, with reproduced tail, measures 180 millim. 
from snout to vent. 
West Africa. 
a. Ad. Dakar, Senegambia. Baron v. Maltzan [C.]. 
b-c, Ad. & her. Cape Verde. - 
d-e. Ad. Sierra Leone. Sir A. Kennedy [P.]. 
f. Ad. Sierra Leone. 
9,%,%,%. Many spec.: W. Africa. 
ad., her., & yg. 
i, Ad. —? A. MacLeay, Esq. [P.]. 
(Type of Euprems inornatus.) 
m, Ad, —?P 
17. Mabuia brevicollis. 
Euprepes brevicollis, Wiegm. Arch. f. Nat. 1837, p. 183*; Peters, 
Mon. Berl. Ac. 1864, p. 50. 
- —— pyrrhocephalus, Wiegm. 1. ¢.*; Peters, lc. 
Tiliqua burtoni, Blyth, Journ. ds. Soc. Beng. xxiv. 1856, p. 306. 
Euprepis perrotetii (non D. § B.), Blanf. Zool. Abyss. p. 456. 
Snout moderate, obtusely pointed. Lower eyelid with a trans- 
parent disk. Nostri] behind the vertical of the suture between the 
rostral and the first labial; a postnasal, usually resting on the 
* Types examined, 
