268 ASAMIDiE. 



keeled ; a prominent tubercle at the posterior corner of the orbit ; 

 nine upper labials. The male's gular appendage longer than the head, 

 very thin, covered with large scales. Male with a slight nuchal 

 fold. Dorsal scales equal, smooth or very feebly keeled, not larger 

 than ventrals ; a series of widely separated enlarged keeled scales 

 along the side of back. The fore limb stretched forwards extends 

 considerably beyond the tip of the snout ; the adpressed hind limb 

 reaches nearly the axil. Grey-brown above, with small dark spots ; 

 wing-membranes above marbled with dark brown, with lighter spots 

 and lines, inferiorly immaculate ; throat unspotted, greenish, pale 

 scarlet beneath the lateral wattles. 



Total length 356 millim. 



Head 21 



Width of head 14 



Body 100 



Fore limb 51 



Hind limb 59 



Tail 2'6o 



Tenasserim. 



a,b. c? . Tavoy. W. T. Blanford, Esq. [C.]. (Two of 



the types.) 



19. Draco dussumieri. 



Dracocella dussumieri, Gray, Cat. p. 234. 

 Draco dussumieri, Dum. Sr Bibr. iv. p. 456 ; Jerdon, Joum. As. Soc. 



Beng. xxii. 1853, p. 474 ; Giinth. Rept. Brit. Ind. p. 125, pi. xiii. 



lig. D; Anders. Proc. Zool. Soc. 1871, p. 164. 

 Draco (Pterosaurus) dussumieri, Fitz. i^st. Rept. p. 51. 



Head small ; snout constricted, as long as the diameter of the 

 orbit ; nostril directed upwards, perfectly vertical ; tympanum 

 naked, as large as the eye-opening. Upper head-scales unequal, 

 keeled ; a spinose conical scale at the posterior corner of the orbit ; 

 nine to twelve upi)er labials, the last twice or thrice as large as the 

 preceding. The male's gular appendage much longer than the head. 

 Male with a slight nuchal fold. Dorsal scales scarcely larger than 

 ventrals, unequal, smooth, or very slightly keeled ; on each side of 

 the back a series of small tubercular prominences, each being com- 

 posed of several small scales. The fore limb stretched forwards 

 extends beyond the tip of the snout ; the adpressed hind limb 

 reaches the axil or not quite so far. Grey-brown above ; a series of 

 more or less distinct dark circles on the back ; wing-membranes above 

 purplish black, enclosing round light spots, inferiorly with a series 

 of large black spots near the margin ; throat with irregular dark 

 spots. 



Total length 200 millim. 



Head 16 „ 



Width of head 11 „ 



