172 SCINCIDE. 
partly concealed under the rounded scales of its anterior border. 
Dorsal scales tricarinate; 29 scales round the body. The hind 
limb does not reach the elbow. Tail twice as long as head and 
body. Olive-brown above, with two yellow lines on each side, the 
upper beginning on the supraciliary edge, the lower on the upper 
lip and passing through the ear; back with cross rows of irregular 
black spots ; lower surfaces greenish yellow. 
millim. millim. 
Total length ...... 127 Hind limb ...... 20 
Head ............ 10 Tail: aaakie sae 85 
Fore limb ........ 15 
Taita, East Africa. 
21. Mabuia bensonii *. 
Euprepes (Euprepis) bensonii, Peters, Mon. Berl, Ac. 1867, p. 20. 
Snout short, obtuse. Lower eyelid with an undivided trans- 
parent disk. Nostril behind the vertical of the suture between the 
rostral and the first labial; a postnasal; anterior loreal not or but 
slightly in contact with the first labial; frontonasal broader than 
long, in contact with the rostral and the frontal; latter as long as 
the frontoparietals and interparietal together, in contact with the 
first and second supraoculars ; three supraoculars, first as large as 
the two others together; three supraciliaries, first longer than the 
two others together ; frontoparietals distinct, a little smaller than 
the interparictal; parietals forming a suture behind the latter 
shield; a pair of nuchals; subocular between the fifth and sixth 
upper labials, about twice as long as these shields, not narrowed 
inferiorly. Ear-opening oval-subtriangular, a little smaller than 
the eye-opening, with three small triangular lobules anteriorly. 
Nuchal and dorsal scales strongly tricarinate; 32 scales round the 
middle of the body, equal. The hind limb reaches nearly the elbow 
of the adpressed fore limb. Subdigital lamellee smooth. Tail 
nearly twice as long as head and body. Olive-brown above, with 
two dark brown streaks and two fine light lines on each side of the 
middle of the back; three white, black-edged streaks along each 
side, the upper beginning on the supraciliary edge; lower surfaces 
white. 
millim. millim 
Total length ...... 160 Fore limb........ 17 
Head. ¢2iawexeges 13 Hind limb........ 24 
Width of head .... 8 Tall giscaceceres 103 
Body. seascude wees 44 
Liberia, Sierra Leone. 
a. Ad. Sierra Leone H., C. Hart, Esq. [P.]. 
* Type examined. 
