8i 

 15. Draco maximus Boulenger. 



Draco maximus^ Boulenger, Proc. Zool. Soc. London 1893, p. 522, pi. XI, II fig. I. 



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

 nostril vertical, directed upwards; tympanum scaly. Hcad- 

 scales very small, keeled; ten scales across the middle of the 

 interorbital region, sixteen or seventeen across the supraocular 

 region ; two or three transverse series of scales between the 

 nasal and the rostral ; a A-shaped series of enlarged scales 

 on the snout; a large, erect, pointed scale above the tym- 

 panum; fourteen to sixteen upper labials. Gular sac one time and 

 a half the length of the head, covered with moderate scales. 

 Male with a slight nuchal fold, no crest. Body large; dorsal 

 scales equal, keeled, a little smaller than ventrals, with a few 

 (4) widely separated enlarged, erect, keeled scales on each 

 side. Tail without a crest, about one time and two thirds the 

 length of head and body. The fore limb extends beyond the 

 tip of the snout, the hind limb reaches the axilla. 



Bluish-grey above, sometimes dotted with black and wavy 

 transverse bands; membranes dark brown or black above, 

 with light longitudinal streaks, below colourless. Throat of 

 the male speckled with black, with a black transverse band 

 behind, of the female black with round white spots; gular sac 

 of male red. Length of head and body 145 mm.; tail 240 mm. 

 The largest species of the genus Draco. 



Habitat: Sumatra (Padang!); Natuna Islands (Pulu Laut, 

 Gr. Natuna, looo feet); Borneo (Matang, Akar river, Balingeau, 

 Mt. Penrissen, Mt. Dulit, 2000 feet, Kina Balu, Paitau, Sama- 

 rinda!). — Malacca. 



A female specimen from Padang, in the Leyden Museum, 

 contained five eggs, measuring 18 by 11 mm. 



16, Draco quinquefasciatus Gray. 



Draco quinquefasciatus^ C^'ray, Zool. Journ. Ill 1827, p. 219. 

 Draco quinquefasciatus^ Boulenger, Cat. Liz. I 1885, p. 269. 



Head small; snout longer than the diameter of the orbit; 

 nostril vertical, directed upwards; tympanum scaly. Head- 

 scales small, keeled, almost equal; eleven to fifteen keeled 

 upper labials. Gular sac long, not quite twice the length of 

 the head. Male with a slight nuchal fold. Dorsal scales smooth 



INDO-AUSTRALIAN REPTILES I. 6 



