7. MABUIA, 173 
- 22, Mabuia boettgeri. (Prare X. fig. 3.) 
Snout very short, broadly rounded. Lower eyelid with an un- 
divided transparent disk. Upper head-shields rugose ; nostril behind 
the vertical of the suture between the rostral and the first labial ; 
a postnasal, resting on the first and second labials; frontonasal 
twice as broad as long, forming a short suture with the rostral and 
a long one with the frontal, the preefrontals being small and widely 
separated ; frontal alittle shorter than the frontoparietals and inter- 
parietal together, in contact with the first and second supraoculars ; 
three supraoculars, first largest ; three supraciliaries, first larger than 
the two others together ; frontoparietals distinct, a little larger than 
the interparietal ; parietals forming a suture behind the latter shield é 
a pair of nuchals ; subocular between the fourth and fifth upper 
labials, twice as long as these shields, not narrowed inferiorly, 
Ear-opening oval, oblique, scarcely as large as the transparent pal- 
pebral disk, with three short pointed lobules anteriorly. Dorsal, 
nuchal, and lateral scales strongly quinquecarinate; 32 scales round 
the middle of the body, equal. The hind limb reaches the wrist of 
the adpressed fore limb. Subdigital lamelle smooth. Olive above ; 
four black lines along the back ; a broad blackish band, edged above 
and below by a light streak, extends from the eye to the tail; 
lower surfaces bluish. 
‘ millim. millim, 
Total length (tail re- Body ............ 36 
produced) ...... 67 Fore limb ........ 13 
Head ys ciaecwes 9 Hind limb ...... 19 
Width of head .... 65 
Madagascar. 
a, Ad. ? Betsileo. Rev. G. A. Shaw [C.]. 
23. Mabuia bibronii. 
Euprepis bibronii, Gray, Cat. p. 114. 
Tiliqua bibronii, Gray, Ann. N. H. ii. 1838, p. 290. 
Euprepes bibronii, Dum. & Bibr. v. p. 675. 
Euprepis trilineatus, Gray, Ann. & Mag. N. H. xviii. 1846, p 430 ; 
Jerdon, Journ. As. Soc. Beng. xxii. 1853, p. 479; Guint . Rept. 
Brit. Ind. p. 81; Theob. Cat. Rept. Brit. Ind. p. 52. 
Snout short, obtusely pointed. Lower eyelid with an undivided 
transparent 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 a little 
broader than long, usually in contact with the rostral and the 
frontal; latter longer than the frontoparietals and interparietal 
together, in contact with the second supraocular only ; four supra- 
oculars, second very large; normally five supraciliaries; fronto- 
parietals distinct, usually longer than the interparietal; parietals 
