346 AOAMIS^. 



11. Agama leucostigma. 



Agama leucostygma, Reuss, Mus. Senck. p. 44. 



Trapelus flaviniaculatus, Huppell, N. Wirbelth. Faun. Abyss., Rept. 

 p. 12, pi. vi. fig. 1. 



Head short, very convex. Nostril not tubular, superior, pierced 

 in the posterior part of a flat nasal above the canthus rostralis. 

 Upper head-scales smooth ; occipital not enlarged ; no distinct 

 spines on the hinder part of the head ; a denticulation formed by 

 three pointed scales on the upper edge of the ear, which is not 

 larger than the eye-opening. [Males with a large gular pouch.] 

 Body depressed, covered above with unequal, rhomboidal, imbricate, 

 feebly keeled, not mucronate scales, the largest of which are not 

 twice as large as the smallest; ventral scales smaller, feebly keeled. 

 Limbs moderate ; tibia shorter than the skull (to occiput) ; digits 

 short ; third finger shorter than fourth, fifth not extending as far 

 as second ; third toe shorter than fourth, fifth not extending as far 

 as first. Tail nearly twice as long as the distance between gular fold 

 and vent, rounded, covered with equal, keeled scales. Sandy- coloured 

 above, the back with five dark transverse bars each enclosing a light 

 vertebral elongate rhomboidal spot ; lower surfaces white, throat 

 with brown lines. 



Total length 136 millim. 



Head 17 „ 



Width of head 16 „ 



Body 43 „ 



Fore limb 32 „ 



Hind limb 41 „ 



Tail 76 „ 



Arabia; Egypt. 



a. Hgr. Arabia. 



12. Agama mbrigularis. 



Trapelus rubrigularis, Blanf. Proc. As. Soc. Beng. 1875, p. 233, and 

 Journ. As. Soc. Beng. xlv. 1876, p. 23, pi. i. fig. 1 ; Murray, Zool. 

 iSi7id, p. 371. 



Head short, convex, subcordiform. Nostril not tubular, pierced 

 in the posterior part of a slightly swollen nasal just above the 

 canthus rostralis. Upper head-scales keeled ; occipital not enlarged ; 

 no distinct spines on the hinder part of the head ; a very slight 

 fringe of pointed scales on the upper edge of the ear, which is hardly 

 as large as the eye-opening. Male without gular pouch. Body 

 depressed, covered above with small rhomboidal, imbricate, smooth 

 scales intermixed with much larger, flat, feebly keeled ones forming 

 more or less irregular transverse series ; no enlarged scales on the 

 limbs ; ventral scales smooth. Limbs moderate ; tibia not quite as 

 long as the skull (to occiput) ; third finger shorter than fourth, fifth 

 not extending as far as second : third toe much shorter than fourth. 



