7. MABUIA. 197 
tirely separates the parictals; a pair of nuchals ; four labials 
anterior to the subocular, which is not much enlarged, and not or 
scarcely narrowed inferiorly, Ear-opening suboval, oblique, with 
two or three large, obtusely pointed projecting lobules anteriorly. 
Dorsal and nuchal scales feebly tricarinate, laterals smooth or nearly | 
so; 380 scales round the middle of the body, dorsals largest. The 
hind limb reaches the elbow or halfway between the wrist and the 
elbow. Subdigital lamelle sharply unicarinate. Olive above, with 
three yellowish-white, dark-edged dorsal streaks, vertebral broadest ; 
a whitish, dark-edged lateral band from the upper lip to the groin ; 
sutures between the labials black ; lower surfaces whitish. 
millim. millim 
Total length ...... 203 Fore limb........ 30 
Head ............ 21 Hind limb........ 43 
Width of head .... 16 Tail (reproduced).. 105 
Body ............ 77 
South-west Africa. 
a, Ad. Hereroland. Berlin Museum [P.]. 
& Ad. Damaraland, 
ec, Ad, 8. Africa. 
51. Mabuia ivensii. 
Euprepes ivensi, Bocage, Jorn, Sc. Lis. vii. 1879, p. 97. 
Head small, snout short and conical. Lower eyelid with a small 
transparent disk. Nostril in the supero-posterior angle of the 
nasal, which is in contact with its fellow, and followed by a post- 
nasal ; supranasals narrow, in contact behind the nasals; fronto- 
nasal subtriangular, separated from the frontal by the prafrontals ; 
two frontoparietals ; parietals entirely separated by the interparietal ; 
four upper labials anterior to the subocular, which is not narrowed 
inferiorly. Three pointed lobules on the anterior border of the ear. 
Body elongate, cyclotetragonal. 32 scales round the body ; dorsals 
with three very distinct keels, laterals smooth. Limbs short; sub- 
digital lamelle keeled. Tail more than twice as long as head and 
body. Blackish olive above, with five longitudinal yellow streaks, 
the median broadest; lower surfaces pale blue. 
millim. millim 
Total length ...... 290 Fore limb........ 21 
Head 5 caus ecouny 15 Hindlimb ...... 30 
Body’ asc caweavas 75 Pall» Sods: yieieaese 200 
Benguela, 
