LIZARDS. 233 



I. Body compressed. Living on trees. 



A. Femoral and preanal jtores notie. Scales imbricate. Asiatic. 



a. Ribs 6-6f elongate, exserted^ supporting wings like lateral expan- 

 sions. Throat ivith 3 pouches, Draconina. 



1. Draco, part, Linn., Weigm. 



Head small. Nostril in a scale, rather tubular, on the side of 

 the face-ridge. Tympanum of the ear visible, opaque, white. 



They live on trees, walking with agility, with their wings fold- 

 ed on their sides, but they expand them and use them as a para- 

 chute when they throw themselves from the tops of trees ; they 

 spread out their pouches as they lie on the trunks of the trees. 



* Scales unequal, some larger, keeled. Nape crested. 



The Flying Lizard. Draco volans, Linn. S. N. 358. Seba, 

 i. t. 102,/. 2, ii. t. 86,/. 3. D. prepos, Linn. S. N. 358. D. ma- 

 jor, Laur. Syn. 50. D. minor, Laur. Syn. 51. D. viridis, Daud. 

 Rept. iii. 301. Wolf. Abbild. i. t. 3,/. 3. Schlegel, Abbild. 89, t. 

 24, f. 1. Hardw. Icon. ined. t. 70. D. fuscus, Daud. Rept. iii. 307. 

 D. bourouiensis. Lesson, Illust. Zool. t. 37 ? D. Daudini, Dum. 

 et Bib. E. G. iv. 451. 



Scales of the back rather broad, generally smooth; of the 

 throat granular, of the same size ; lateral pouches of males mode- 

 rate, rounded at the end, covered with ovate keeled scales ; throat 

 black-spotted ; wings grey, fulvous or brown spotted and marbled 

 with black, sometimes forming 4 or 5 oblique black bands near 

 the outer edge ; sides with a series of large broad-keeled scales. 



a, b. In spirits. Java. From the Leyden Museum. 



c, d. In spirits. Smaller, many of the dorsal scales keeled. In- 

 dia. Presented by the East India Company. 



e. In spirits. Borneo. Presented by Capt. Sir Edward Belcher, 

 R.iS ., C.B. 



/. In spirits. Wings red at the base. 



g. In spirits. Philippines. From Mr. Cuming's collection. 



The Timor Flying Lizard. Draco Timorensis, Peron, MS. 

 Kuhl, Beytr. 103. Gray, Griff. A. K. ix. 59. Dum. et Bib. E. G. 

 iv. 454. 'D. viridis Timorensis, Schlegel, Abbild. 91. 



Scales flat, rather large, smooth, unequal, with a row of rather 

 larger keeled scales upon and on each side of the vertebral line; 

 wings reddish, brown-spotted ; lateral pouches (of male) moderate, 

 rounded at the end, covered with large keeled scales ; sides with 

 an interrupted series of large keeled scales. 



a. In spirits. Timor. From the Leyden Museum. 



b. In spirits. With a short toothed crest on each side of the neck, 



scales of back subequal. Philippines. From Mr. Cuming's 

 collection. X 3 



