200 SCINCID &. 
parent disk. Nostril pierced in advance of the vertical of the suture 
between the rostral and the first labial; a postnasal; anterior loreal 
in contact with the first labial ; supranasals usually in contact behind 
the rostral; frontonasal scarcely broader than long, touching the 
frontal ; latter scarcely shorter than the frontoparietals and inter- 
parietal together, in contact with the second and third supraoculars ; 
four supracculars; frontoparietals distinct, a little larger than the 
interparietal; parietals in contact behind the latter shield; a pair 
of nuchals; four labials anterior to the subocular, which is much 
narrowed inferiorly, the fourth labial very long and angular pos- 
teriorly. Three pointed lobules on the anterior border of the ear. 
Dorsal and lateral scales quinquecarinate ; 30 scales round the body. 
The hind limb reaches the axilla. Subdigital lamelle smooth. Tail 
twice as long as head and body. Ochreous-brown above, with four 
rows of black, white-dotted spots; a black lateral band, edged 
inferiorly by a white streak; lower surfaces white. 
millim, millim. 
Total length ...... 176 Fore limb ........ 16 
Head, vise cease 12:5 Hind limb........ 29 
Width of head .... 7 Pat: ise ce eaew te ak 117 
Body ........-00 46:5 
St. Augustin’s Bay, Madagascar. 
55. Mabuia gravenhorstii. 
Euprepis bistriatus, Gray, Cat. p. 115. 
Tiliqua bistriatus Ga Spix), Gray, Griff. A. K. ix. Syn. p. 70. 
Euprepes gravenhorstii, Dum. & Bibr. v. p. 686; Gravenh. N. Acta 
Ae, Leop.-Carol. xxiii, 1851, i. p. 335, pl. xxxiii. 
—— (Euprepes) bistriatus, Boetig. Abh. Senck, Ges, xii. 1881, 
p. 455, 
Snout short, obtuse. Lower eyelid with a large undivided trans- 
parent disk. Nostril pierced just above or in advance of the vertical 
of the suture between the rostral and the first labial ;. a postnasal ; - 
anterior loreal in contact with the first labial; supranasals usually 
in contact behind the rostral ; frontonasal broader than long, usually 
in contact with the frontal; latter much shorter than the fronto- 
parietal and interparietal together, in contact with the second, or 
second and third (or first, or first and second) supraoculars; four 
or three supraoculars, the first’ and second frequently fused to a 
single shield; three or four supraciliaries ; frontoparietals fused to 
a single shield, as long as or longer than the interparietal ; parietals 
usually forming a suture behind the latter shield; four or five 
Jabials anterior to the subocular, which is much narrowed inferiorly 
(exceptionally not reaching the lip), and forming a long obliquely 
curved suture with the elongate fourth (or fifth) labial. Ear-opening 
about as large as the transparent palpebral disk, anteriorly with 
three or four short pointed lobules. Nuchal, dorsal, and lateral 
scales strongly quinque- to septemcarinate; 30 to 36 scales round 
