tt4 



larger keeled scales above, all the scales keeled, inferior largest; 

 its length more than two times and a half that of head and body. 

 Limbs long and very slender, covered with equal, keeled scales, 

 the hind limb reaches the tip of the snout; fourth finger a 

 little longer than third. 



Olive-brown above; dark streaks radiating from the eye; 

 limbs and tail with dark transverse bands. Lower parts yel- 

 lowish, variegated with olive and sometimes with a bluish 

 tint; throat and gular sac sometimes with round black spots. 

 Length of head and body 90 mm.; tail 245 mm. 



Habitat: Aru Islands; New Guinea (J obi, Liki!, Krudu 

 islands, Sorong, Mt. Epa, Dorei Hum, Dorei, Andai, Moaif!, 

 Sermowai river!, Humboldt Bay!, Tanah-Merah Bay!, Koime 

 river!, Jaona!, Lorentz river!, Mimika river, Utakwa river, 

 3000 feet, Sepik river, Bongu on Astrolabe Bay, Sattelberg, 

 Dinawa, Gerekanumu, Haveri, St. Joseph river). — Bismarck 

 Archipelago; Admiralty Islands. 



18. Gonyocephalus geelvinkianus Peters & Doria. 



Gonyocephalus (Arua) geelvi?tkiaftus^ Peters e Doria, Ann. Mus. Civ. Genova 



XIII 1878, p. 381. 

 Gonyocephahis geelvinkianus^ Boulenger, Cat. Liz, I 1885, p. 294. 



Head flat above; supraciliary borders normally raised. Head- 

 scales strongly keeled; those below the ear small, without 

 enlarged ones; occipital distinct; eight to ten upper and eight 

 or nine lower labials. A gular sac, covered with small keeled 

 scales. Body compressed; nuchal and dorsal crests continuous, 

 the former composed of lanceolate scales, covered at the base 

 with a fold of the skin, decreasing between the shoulders and 

 continued in the low dorsal crest. Dorsal scales small, equal, 

 sharply keeled, the scales pointing upwards; ventral scales 

 twice as large as laterals and also strongly keeled. Tail com- 

 pressed, thrice as long as head and body. Limbs slender. 



Reddish-brown, bluish or olive-green above, dotted with 

 black, the dots sometimes forming a dark network; limbs and 

 tail banded with brown. Length of head and body 100 mm.; 

 tail 300 mm. 



Type-specimen examined in the British Museum. 



Habitat: New Guinea (Mafoor!, Mysore). 



