H3 



orbits; middle supraocular scales a little enlarged ; temporals 

 very small. Nuchal scales very large, round and flat, generally 

 with a short, feeble keel, widely separated from one another 

 by fine granules. Body covered above with very unequal, 

 feebly keeled scales, those on the vertebral line smallest; two 

 or three alternating series of large oval scales on each side 

 of the middle line and a series of enlarged scales on each 

 side of the body. Ventral scales keeled '), in about 80 trans- 

 verse series. Tail compressed, nearly one time and a half as 

 long as head and body, covered with keeled scales of which 

 the lower are twice as large as the upper; a very low, doubly 

 toothed crest above. Limbs strong; digits long. 



Dark brown above; a black streak on each side of the nape 

 anteriorly; two crescentic transverse bands on the nape and 

 a third on the back between the fore limbs. Lower parts 

 reddish-brown; throat variegated with black. Length of head 

 and body 430 mm.; tail 610 mm. 



Type-specimen examined in the British Museum. 



Habitat: Borneo (Mt. Dulit! and Baram, Sarawak). 



2. Varanus dumerili (Schleg.). 



Monitor Dumerilii, Schlegel, Abbild. 1844, p. 78. 



Varanus dumerilii, Boulenger, Cat. Liz. II 1885, p. 312 (s. syn). 



Snout depressed at the tip, a little longer than the distance 

 between the anterior border of the eye and the ear; canthus 

 rostralis indistinct; nostril oblique, about two times nearer the 

 orbit than the tip of the snout; teeth sharp, compressed. 

 Head-scales not very large, subequal; scales in the middle 

 of the supraocular region a little enlarged transversely. Nuchal 

 scales very large, almost as long as broad, flat, only the 

 posterior keeled. Body covered with large, oval, keeled scales. 

 Ventral scales with a slight keel, in 75 to 85 transverse series. 

 Tail strongly compressed, covered with keeled scales, some- 

 times enlarged on the sides; a very low doubly toothed crest 

 above. Limbs strong; digits moderate. 



Light brown or olive-brown above, with broad dark trans- 

 verse bands, broader than the interspaces; a dark temporal 



i) Brown (Proc. Acad. Philad. L1V 1902, p. 177) describes a specimen with 

 smooth ventral scales. 



