448 On new Lizards from Madagascar. 



South-western Madagascar. A single male specimen, 

 collected by Mr. Last. 



Zonosaurus maximus. 



Fronto-nasal a little broader tlian long, forming a broad 

 suture with the rostral, and widely separated from the frontal, 

 the prgefrontals forming a long median suture ; throe or four 

 lower labials anterior to the subocular ; a small interparietal. 

 Dorsal scales strongly keeled, in 20 or 22 longitudinal and 

 45 or 46 transverse series (from occiput to base of tail) ; 

 ventrals in 8 longitudinal series. 20 to 30 femoral pores on 

 each side. Tail moderately depressed at the base, strongly 

 compressed further back, about once and two fifths the length 

 of head and body. Dark olive-brown above, more or less 

 distinctly spotted with darker, with or without a series of pale 

 olive spots along each side of the back ; sides pale olive, 

 speckled and spotted with dark brown ; yellowish or greenish 

 white beneath. 



millim. 



Total length 650 



Head 40 



Width of head 28 



Body . 190 



Fore limb 65 



Hind limb 100 



Tail 320 



A slightly larger specimen, with injured tail, measures 

 240 millim. from snout to vent. 



Three specimens from Imerina, collected by the Rev. R. 

 Baron. 



Sepsina ornaticeps. 



Closely allied to S. melanura, Gthr., with which it agrees 

 in the general proportions and cephalic pholidosis. Distin- 

 guished by the much smaller postnasal, the internasal nearly 

 reaching the first labial, the smaller ear-opening, which is 

 but little larger than the nostril, and in the smaller number of 

 scales round the body, viz. 22 or 24. Pale brown above, 

 each scale darker behind ; head whitish above, with dark 

 brown vermiculations or wavy cross-bands descending to the 

 lower lip j belly white ; tail dark brown. 



millim. 



Total length (tail injured) 110 



From end of snout to fore limb 14 



„ „ „ hind limb 52 



Fore limb 6 



Hind limb 10 



