spine ; on the temples three or four enlarged keeled scales ; 

 below the angle of the mouth and below the ear two white 

 tubercular scales; supraocular region with large, keeled scales. 

 Eight to ten upper and nine or ten lower labials. Gular sac 

 rather small, covered with feebly keeled scales. Body com- 

 pressed ; nuchal crest consisting of 6 7 erect scales, longer 

 than those of the dorsal crest, which is composed of 13 14 

 scales and is separated from the former. Each scale of both 

 crests separated from the next by two scales. Dorsal scales 

 feebly keeled, as large as ventrals, which are strongly keeled ; 

 laterals much smaller, almost smooth, in longitudinal series, 

 68 75 in a series. Tail compressed, covered at the base with 

 strongly keeled scales. Limbs long, the hind limb, stretched 

 forwards, reaches between the eye and the tip of the snout; they 

 are covered with keeled scales; fourth toe somewhat longer 

 than third ; digits with two keels below. 



Bluish-green above, back, tail and limbs with dark trans- 

 verse bands. Sides of neck with a yellow stripe, bordering 

 a blackish, oval spot; flanks with dark lines. Lower parts 

 pinkish, spotted with brown. Length of head and body 73 mm.; 

 tail 1 60 mm. 



Habitat: Sumatra (Mt. Singalang 2800 M., Volcano Si 

 Nabung, Si Rambe near Lake Toba, I2OOM.). I examined 

 a specimen with the indication "Indes Neerlandaises" in the 

 Paris Museum. 



2. Dendragama fruhstorferi Boettger. 



Dendragama fruhstorferi^ Boettger, Zool. Anz. XVI 1893, p. 335. 



Head pyramidical with angular canthus rostralis ; snout 

 pointed, twice as long as the diameter of the eye; tympanum 

 as large as orbit. Head-scales unequal, smooth or feebly keeled, 

 on the snout a median series of four keeled scales ; supraorbital 

 region with strongly keeled scales. A smooth supranasal ; 

 nostril in a lateral nasal, separated from the rostral, which is 

 thrice as broad as high. Spine at the supraciliary edge small; 

 two longitudinal series of three large smooth temporal scales. 

 Eight or nine upper and lower labials, next to the latter a 

 series of large, smooth chin-shields. Gular sac small, covered 

 with keeled scales. Body compressed ; nuchal crest consisting 

 of 6 very small scales, dorsal crest with 21 still smaller scales. 



