DRACO 109 



DRACO VOLANS Linnaeus 

 Plate 6, fig. 3 



Draco volans Linn^us, Syst. Nat. ed. 10, 1 (1758) 199; Cantor, Cat. 



Mai. Kept. (1847) 37; Gunther, Kept. Brit. India (1864) 124; 



BouLENGER, Cat. Liz. Brit. Mus. 1 (1884) 256; Mocquard, Nov. 



Arch, du Mus. Ill 2 (1890) 280; de Rooij, Rept. Indo-Aust. Arch. 



1 (1915) 70, 71, fig. 43. 

 Draco praepos Linn^us, Syst. Nat. 1 (1758) 200. 

 Draco major Laurenti, Syn. Rept. (1768) 50. 

 Draco minor Laurenti, Syn. Rept. (1768) 51.. 

 Draco viridis Daudin, Hist, Nat. Rept. 3 (1802) 301, pi. 41; Kuhl, 



Beitr. Zool. Vergl. Anat. (1820) 102; Schlegel, Abbild. (1844) 89, 



pi. 24, fig. 1. 

 Draco fuscus Daudin, Hist. Nat. Rept. (1802) 307; Kuhl, Beitr. 



Zool. Vergl. Anat. (1820) 102. 

 Draco daudinii Dumeril and Bibron, Erp. Gen. 4 (1837) 451. 



Description of species. — (From six specimens from Palawan.) 

 Snout as long as diameter of orbit; rostral broader than high, 

 bordered by six to nine scales ; nasal craterlike, nostril directed 

 outward, slightly backward and upward, separated from rostral 

 and labials by one or two scale rows, from each other by eight 

 rows; an inverted Y-shaped series of enlarged keeled scales on 

 snout; scales on head keeled or rugose, very unequal; two or 

 three rows of scales in intersupraorbital region; a low com- 

 pressed scale on posterior part of superciliary border, and a 

 subcorneal tubercle on posterior upper edge of orbit; a row of 

 seven or eight suborbital scales differentiated, separated from 

 last upper labial by three scale rows ; tympanum distinct, slightly 

 smaller than eye opening; an enlarged scale on its anterior 

 border; two or three much-enlarged scales extending in a row 

 from orbit to above tympanum; two or three tubercles behind 

 temporal region; nine or ten upper labials (usually ten), last 

 largest; nine to twelve lower labials; mental about as wide as 

 rostral, with two rows of enlarged scales running back to neck, 

 parallel to labials but separated from them by two scale rows; 

 nuchal crest very low and indistinct in males, not or barely dis- 

 cernible in females; no lateral nuchal crest; dorsal scales with 

 or without distinct keels, very unequal, with a series of enlarged, 

 keeled, distant scales on each side separated by about twenty- 

 six scales rows; foreleg brought forward reaches beyond tip 

 of snout; hind leg brought forward reaches almost to elbow; 

 gular appendage of males about length of head (very small 

 in females) ; lateral throat appendages not prominent. 



Color in alcohol. — Above metallic variegated bluish brown, 

 the brown usually forming undulating crossbands; back and 

 sides usually flecked with numerous small, dark brown spots; 



