172 SCINCID^. 



partlj- 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. 



millira. millim. 



Total length 127 Hind limb 20 



Head 10 Tail 85 



Fore limb 15 



Taita, East Africa. 



21. Mabuia bensonii *. 

 Eiiprepes (Euprepis) bensonii, Peters, Mon. JBerl. Ac. 18G7, 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 intei'parietal together, in contact with the 

 first and second supraoculars ; three supraoculars, first as large as 

 the two others together ; three supraciliarics, first longer than the 

 two others together ; frontoparietals distinct, a little smaller than 

 the interparietal; 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 

 interiorly. 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 aclf)ressed fore limb. Subdigital lamellse 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 smfaces 

 white. 



millim. millim. 



Total length 160 Fore limb 17 



Head 13 Hind limb 24 



^Vidth of head .... 8 Tail 103 



Body 44 



Liberia, Sierra Leone. 



a. Ad. Sierra Leone H. C. Hart, Esq. [P.]. 



* Type examined. 



