DRACO 119 



Measurements of Draco ornatus (Gray), largest female specimen. 



mm. 



Total len^h 226 



Tail 145 



Snout to vent 81 

 Axilla to ^oin 43 



Snout to foreleg 26 



Foreleg 35 



Hind leg 43.5 



Head width 12 



Head length • 18 



Remarks. — The number and distinctness of the rounded white 

 spots vary; they are less distinct in the male than in the 

 female specimen. The gular appendage on the largest male 

 measures 16.5 millimeters. The four specimens studied were 

 taken at Buna wan, in the upper Agusan Valley, all in the same 

 immediate locality. This form seems to be widely distributed in 

 the Islands. Boulenger reports it from Luzon, Negros, and Di- 

 nagat. Its habits are quite similar to those of other species 

 of Draco. It feeds largely on ants. 



Werner's opinion that Draco ornatus is the female of Draco 

 spilopterus is certainly incorrect. 



DRACO SPILOPTERUS (Wiegmann) 

 Plate 6, fig. 4 



Dracunculus spilopterus Wiegmann, Nova Acta Acad. Caes.-Leop. 117 

 (1835) 216, pi. 15; Gray, Cat. Kept. Brit. Mus. (1848) 236. 



Draco spilopterus Dumeril and Bibron, Erp. Gen. 4 (1837) 461; 

 Gervais, in Eyd. Voy. Favorite; Zool. Atlas, pi. 27; Schlegel, Ab- 

 bild. (1844) pi. 92; Boulenger, Cat. Kept. Brit. Mus. 1 (1885) 260. 



Dracontoidis personatus Fitzinger, Syst. Rept. (1843) 51. 



Description of species. — (From seven male specimens from 

 Luzon.) Snout about as long as diameter of orbit; rostral 

 varies from low and broad to nearly round, bordered by from 

 five to seven scales ; behind separated from nasal by three rows 

 of scales ; nasal conical, crater-shaped, directed outward, slightly 

 upward, and backward, separated from its fellow by six to nine 

 scales; the supranasals elongate, slightly prominent; scales on 

 head very irregular, those on canthus rostralis large, com- 

 pressed; enlarged scales on snout either arranged in a straight 

 line or, more usually, a Y-shaped series; part of supraorbital 

 region covered with large keeled scales ; occipitals large, rugose, 

 but not keeled; no compressed scale on posterior superciliary 

 border; a rather prominent scale on posterior border of orbit; 



