266 AGAMID^. 



naked, smaller than the eye-opening. Upper head-scales very 

 small, keeled ; a more or less distinct A-shaped series of enlarged 

 scales on the forehead ; a conical tubercle at the posterior corner 

 of the orbit ; ten to thirteen upper labials, the last largest. The 

 male's gular appendage longer than the head ; female also with a 

 well-developed, but shorter, appendage. Male with a small nuchal 

 crest. Dorsal scales smaller than ventrals, smooth or very feebly 

 keeled; on each side of the back a series of small subcorneal distant 

 scales. The fore limb stretched forwards extends beyond the tip of 

 the snout ; the adpressed hind limb reaches the axil or nearly so far. 

 Greyish above, marbled with reddish brown, with a few equidistant 

 angular transverse dark markings, the anterior of which encloses the 

 black interorbital spot ; wing-membranes above dark brown with 

 lighter lines, interiorly immaculate or with a few scattered black 

 spots ; throat bluish, with a more or less marked dark network 

 enclosing white spots ; gular appendage red. 



Total length 273 millim. 



Head 25 „ 



Width of head 19 „ 



Body 83 „ 



Fore limb 46 „ 



Hind limb 57 „ 



Tail 165 „ 



Malay peninsula ; Sumatra ; Java ; Borneo. 



a. 5 . Singapore. 



b-d. (S 2 . Sumatra. Leyden Museum. 



e. c?- Java. H. 0. Forbes, Esq. [C.]. 



f~ff. 2 & hgr. Matang. 



A. (J . E. Indies. East-India Company. 



16. Draco cristatellus. 



Draco cristatellus, Giinth. Proo. Zool. Soc. 1872, p. 592, pi. xxxv. 

 fig. A. 



Head rather large ; snout as long as the diameter of the orbit ; 

 nostril lateral, directed outwards and slightly upwards ; tympanum 

 partly scaly. Upper head-scales very small, keeled ; a distinct ^- 

 shaped series of enlarged scales on the forehead ; a subconiual 

 tubercle at the posterior corner of the orbit ; eleven upper labials. 

 The male's gular appendage much longer than the head. A well- 

 marked nuchal fold. Dorsal scales smaller than ventrals, smooth or 

 very feebly keeled ; no lateral series of enlarged scales. The fore limb 

 stretched forwards extends beyond the tip of the snout; the ad- 

 pressed hind limb reaches the axil. Tail with a crest composed of 

 long distant triangular scales. Keddish brown above, black-spotted ; 

 a black interorbital spot ; wing-membranes above dark brown, with 

 irregular light longitudinal lines, inferiorly whitish, with a few 

 blackish spots on their margins ; gular appendage yellow, with a 

 brown anterior edge. 



