Ill 



small, equal, keeled scales; the hind limb reaches the eye; 

 third and fourth fingers equal. 



Reddish-brown above, tinged with blue, spotted with black 

 and with blackish transverse bands; dark lines radiating from 

 the eye; on the sides of the neck a large oval, dark brown, 

 black-edged spot, which is bordered above and behind by a 

 reddish-brown crescent-shaped streak; crest bluish. Limbs and 

 tail with dark bands. Lower parts yellowish or brownish, 

 spotted with dark; gular sac yellowish with brown longitu- 

 dinal lines. Length of head and body 200 mm.; tail 675 mm. 



Habitat: Aru Islands; New Guinea (Jobi, Sorong, Andai, 

 Mansinam, Tami river, Lorentz river!). 



14. Gonyocephalus nigrigularis Meyer. 



Gonyocephalus nigrigularis^ Meyer, Mon. Berl. Ac. 1874, p. 129. 

 Gonyocephalus nigrigularis^ Sauvage, Bull. Soc. Philom. (7) III 1879, p. 51. 

 Gonyocephalus nigrigularis, Boulenger, Transact. Zool. Soc. London XX 1914, 

 p. 255, pi. XXVIII fig. 3. 



Snout longer than the diameter of the orbit; canthus rostralis 

 angular, not sharp; supraciliary borders normally raised; occiput 

 concave; tympanum smaller than the eye-opening; cheeks 

 swollen in males. Head-scales small, subequal, keeled; occipital 

 enlarged; some large flat scales below the tympanum; ten to 

 twelve upper and nine or ten lower labials. Gular sac small, 

 without serrated edge and covered with small, smooth scales. 

 Body compressed; nuchal and dorsal crests notched above the 

 shoulder; the former composed of strong scales, about as high 

 as the eye-opening, inserted on a fold of the skin, which is 

 covered with small keeled scales and beginning anteriorly of 

 the ear-opening, the dorsal crest lower, continued on the base 

 of the tail. Dorsal scales small, equal, keeled, the points directed 

 upwards; ventral scales much larger, strongly keeled. Tail 

 compressed, covered with keeled scales, the inferior largest; 

 its length not quite three times that of head and body. Limbs 

 long, covered with equal keeled scales, the hind limb reaches 

 the ear-opening; fourth finger a little longer than third. 



Olive-green or brownish above; back with seven or eight 

 transverse black bands, separated by narrow greenish inter- 

 spaces; each black band with a short greenish bar in the middle; 

 nuchal crest uniformly olive or greenish; head olive; the enlarged 

 flat scales on the cheeks and a row of large scales below the 



