61 



adult. Tail longer or as long as tlie body and head, rounded, 

 rather thick at the base especially in males, coyered with regular, 

 rather feebly keeled scales. A large gular pouch in both sexes. 

 The usual gular and short praihumeral Iblds are present. Neither 

 pra>anal pores nor callose scales are developed. 



General colour jiale yellowish on the head, olive-brown or even 

 greyish brown on the body, generally many of the dorsal scales 

 being yellow, but this character is occasionally absent. In adult 

 males, the sides of the head, the gular pouch, the sides of the 

 neck and body, are deep dusky brownish with a purple tinge, or 

 rich bluish on the sides of the mouth, gular pouch, sides of neck 

 and shoulder, the tail being pale orange-yellow with occasionally 

 deep orange spots along its sides. In some of these males, the 

 general colour is pale olive-brown, the throat and chest being 

 suft'used with bluish, and the tail pale yellow. The adult 

 breeding female is nearly olive, with many of tlie dorsal scales 

 nearly white, arranged on the sides and on the limbs more or 

 less in transverse series, especially on the limbs. The pouch is 

 dark chocolate-brown, and the under surface of the head is 

 marked with wavy lines of the same colour. Similar but more 

 feeble markings occur on the chest. 



The points in which tliis species differs from A. jai/akari, 

 Anders., are mentioned under the description of that species 

 (p.G7). 



The type was from Jiddah, and is preserved in tlie Frankfurt 

 ATuseum. I have examined it, and also the type of A. leuco- 

 stygma, Eeuss, to which Mr. Bouleuger refers A. flavimaculafa, 

 liilppell, as a synonym, a view which has also been adopted by 

 Prof. Boettger. 



Tlie type of A. Jlavimaculata, Riippell, is enumerated in 

 Eiippell's Catalogue ' as II. F.F. G a-l, 18.34. The larger of the 

 two specimens, a female, is the one figured by Hiippell, and both 

 are stated in Prof. Boettger's ^ Catalogue to have come from 

 Arabia, but Eiippell in his description^ is more particular and 

 gives Jiddah as the locality. There can be no doubt whatever 

 regarding the identity of the Hejaz and Hadramut specimens 

 with tlie type of the species, but the same cannot be said for their 

 identity witii A. leucostygma, Eeuss. The types of the latter are 

 two in number, and are marked Cat. II. F.F. 5 k-l, Gesch. 1S27, 



1 Mus. Senck. iii. 1845, p. 302. 



2 Kat. Kept. Mus. Senck. 1S'J3, p. 49. 



3 Neue WirbclLh. 1835, p. 12, pi. 6. fig. 1. 



