73 



nostril lateral, directed outwards; tympanum naked, smaller 

 than the eye-opening. Head-scales very unequal, keeled; a 

 A-shaped series of enlarged scales on the snout; a large com- 

 pressed, pointed scale posteriorly on the supraciliary region; 

 eight or nine (n) upper labials, the last much larger than 

 the others. Gular sac as long as the head. A very low nuchal 

 crest in both sexes. Dorsal scales small, keeled, not much 

 larger than the ventrals, with a lateral series of enlarged 

 separated scales. Tail nearly one time and a half as long as head 

 and body. The fore limb extends to the tip of the snout or 

 a little beyond, the hind limb reaches between the wrist and 

 the elbow. 



Olive, variegated with reddish-brown above, with black spots: 

 one between the orbits, one on the nape and another on each 

 side before the shoulders; membranes brick-red, edged with 

 black and marbled with black above, below with black spots 

 or transverse bands. Lower parts lighter, with a blue streak 

 on each side of the belly; limbs blue below; throat variegated 

 with bluish-green; gular sac of male red. Length of head and 

 body 92 mm.; tail 130 mm. 



Nom. indig. Tarang burong; Pindau (Sarawak). 



Habitat: Sumatra (Tandjung Laut in Palembang); Borneo 

 (Labuan, Sandakan Bay!, Kion, Kina Balu, Pamabo Range, 

 Mt. Dulit, Balingeau, Matang 800 feet, Sarawak!, Baram river, 

 Mt. Mulu, Santubong, Kuching, Long Bloe on Mahakkam river!, 

 Buntok on Barito river, Tandjong). Sulu Archipelago (Jolo). 



Three or four eggs, taken out of a female specimen, measured 

 13 by 7.5 mm. 



4. Draco gracilis Barbour. 



Draco gracilis^ Barbour, Proc. Biol. Soc. Washington XVI 1903, p. 59. 



Head moderate; snout as long as the diameter of the orbit; 

 nostril lateral, directed outwards; tympanum naked, smaller 

 than the eye-opening, with scales encroaching somewhat from 

 the margins; a prominent tubercle on the posterior part of the 

 supraciliary region. Head-scales keeled; those on temple and 

 nuchals slightly keeled or smooth; thirteen upper labials, last 

 largest. Gular sac longer than the head. Male with a small 

 nuchal crest, formed of a single row of triangular scales. Body 

 slender; dorsal scales keeled, with a row of triangular spine- 



