7. MAI5U1A. 173 



22. Mabiiia boettgeri. (Plate X. fig. 3.) 



Snout very short, broadly rounded. Lower eyelid with an un- 

 divided transparent disk. Upper head-shields rugose ; nostril beliiiid 

 the vertical of the suture between the rostral and tlie first laljial ; 

 a postnasal, resting on tlic first and second lal)ials ; frontonasal 

 twice as broad as long, forming a short sutui-e with the rostral and 

 a long one with tlie frontal, the pra'frontals being small and widely 

 separated ; frontal a little shorter than the frontoparietals and inter- 

 parietal together, in contact with the first and second supraoculars ; 

 three supraoculars, first largest ; three supraciliarics, first larger thau 

 the two others together ; frontoparietals distinct, a little larger than 

 the interparietal ; parietals forming a suture behind the latter shield ; 

 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, 

 uuchal, 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 lamellfc 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. milliin. 



Total length (tail re- Body 36 



produced) 67 Fore limb 13 



Head 9 Hind limb 19 



AVidth of head .... 6*5 



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, Dinn. Sf Bihr. v. p. 67'5. 

 Euprepis trilineatus. Gray, Ann. 8j- Mag. N. H. xviii. 1846, p. 430 ; 



Jerdon, Journ. As. Soc. Benq. xxii. 1853, p. 479 ; Giinth. Rent. 



Brit. Lid. 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 interpai'ietal 

 together, in contact with the second supraocular only ; four supra- 

 oculars, second very large ; normally five supraciliarics ; fronto- 

 parietals distinct, usually longer than the interparietal ; parietals 



