19. AGAMA. 349 



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

 the canthus rostralis. Upper head-scales convex, smooth ; occipital 

 not enlarged ; no distinct spines on the hinder part of the head ; a 

 fringe of small pointed scales on the upper edge of the ear, which 

 is hardly as large as the eye-opening. Male without gular pouch. 

 Body short, depressed, covered above with small irregular, imbricate, 

 smooth or indistinctly keeled scales intermixed with irregularly 

 scattered much larger ones, each of which bears a short keel or spine ; 

 limbs also with scattered enlarged scales ; ventral scales smooth. 

 Limbs moderate ; tibia nearly 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, fifth not extending as far as 

 first. Tail once and a half to twice as long as the distance from 

 gular fold to vent, rounded, with feebly keeled scales intermixed 

 with enlarged ones at the base. Males with a double row of anal 

 pores. Grey or sandy-coloured above, with paired dark markings, 

 one on the neck and one in front of the sacrum being more constant ; 

 tail with dark cross bars ; the breeding male's head bluish, and the 

 throat with bluish-grey lines ; lower surfaces whitish. 



Total length 174 raillim. 



Head 20 „ 



Width of head 19 „ 



Body 50 „ 



Fore limb 37 „ 



Hind limb 54 „ 



Tail 104 „ 



Egypt ; North Arabia. 



a-b. ? . Egvpt. Sir J. Wilkinson [P.]. 



c,d.6^- Egypt. 



e-f. $. Nile. Mr. Petherick [C.]. 



g-i. S & hgr. Cairo. Sir R. Owen [P.]. 



k. Hgr. Cairo. R. MacAndrew, Esq. [P.I. 



/. (5 . Suez. R. MacAndrew, Esq. [P.J. 



m. S • Sinaitic Peninsula. H. C. Hart, Esq. [C.]. 



n-o. (S & hgr. Mount Sinai. 



16. Agama hispida. 



Agama hispida, Gray, Cat. p. 257. 

 Lacerta hispida, Linn. Mus. Ad. Fred. p. 44, and S. N. (ed. 10) 



i. p. 205. 



orbicularis, part., Linn. S. N. (ed. 12), i. p. 265. 



Agama aspera, part., Daud. Rept. iii. p. 402. 



orbicularis, part., Daud. I. c. p. 406. 



gemmata, Daud, I. c. p. 402. 



Trapelus hispidus, Kaup, Isis, 1827, p. 616, pi. vii. ; Gravenh. Nova 



Acta Ac. Leop. Carol, xvi. 1833, p. 917, pi. Ixiv. figs. 1-8. 

 Agama spinosa, (non Gray) Dum. Sf Bibr. iv. p. 502, pi. xli, bis. fig. 2, 

 hispida, part., Peters, Mon. Berl. Ac. 1870, p. 112. 



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

 pierced just below the canthus rostralis in a convex nasal. Upper 



