188 BCINCID^. 



39. MaMia rudis. (Plate XI. fig. 3.) 



Snout moderate, obtuse. Lower eyelid seal}-. N'ostril behind 

 tbe vertical of the suture between the rostral and the first labial ; a 

 postnasal ; anterior loreal not deeper than the second, in contact 

 with the first labial ; frontonasal broader than long, in contact with 

 the rostral and rarely also with the frontal ; latter as long as or 

 longer than the frontoparietals and interparietal together, in contact 

 with the second, rarely with the first and second supraoculars ; four 

 supraoculars, second largest ; six supraciliarics, first and third 

 largest ; frontoparietals distinct, larger than the interparietal, which 

 entirely separates the parietals ; a pair of nuchals ; four labials 

 anterior to the subocular, which is large and not narrowed inferiorly. 

 Ear-opening roundish, smaller than a lateral scale, without or with 

 a few projecting granules anteriorly. Nuchal, dorsal, and lateral 

 scales very strongly tricarinate, the keels projecting slightly beyond 

 the posterior margin of the scale ; 30 or 32 scales round the middle 

 of the body, of which 10 or 12 (ventrals) are smooth ; dorsal scales 

 largest. The hind limb reaches the axilla or the shoulder. Digits 

 long, strongly compressed ; subdigital lamelloe obtusely keeled. 

 Olive-brown, sides dark brown or with a dark brown light-edged 

 lateral band ; lower surfaces greenish or brownish white ; throat 

 sometimes black-spotted. 



millim. millim. 



Total length 274 Pore Umb 38 



Head 24 Hind limb 57 



Width of head 16 Tail (injured) 170 



Body 80 



Borneo, Sumatra. 



a-e. Ad. & yg. Matang. 



/. Ad. Sumatra. Hr. Karl Bock [C.]. 



40. Mabuia siamensis. 



Eumeces siamensis, Giinth. liept. Brit. Ind. p. 91. 



Euprepes (Tiliqua) bicarinatus, Peters, Mon. Berl. Ac. 1867, p. 22 *. 



( ) ruhstrati, Fischer, Abh. Naturw. Ver. Hamb. vs.. 1886, 



p. — , pi. i. fig. 2. 



Snout moderate, obtuse. Lower eyelid scaly. 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; supranasals (usually) in contact behind the rostral; 

 frontonasal broader than long ; praefrontals in contact mesially ; 

 frontal sliorter than the fi'ontoparietals and interparietal together, 

 in contact with the second supraocular ; four supraoculars, second 

 largest ; six supraciliarics, first largest ; frontoparietals distinct, as 

 long as or sliglitly shorter than the interparietal, which entirely 

 separates the parietals ; a pair of nuchals ; four (or three) labials 

 anterior to the subocular, which is large and not narrowed interiorly. 



* Type examined. 



