346 REPTILES. SAUEIA. 



S. vulgaris, (L. stellio, Lin.) Common Stellio. Body olive-coloured, 

 shaded with blackish, with a few transverse bands of larger scales 

 on the back and thighs. 12incheslong. Egypt. Cuv.Reg.An.ii.32. 



The Mahometans kill this species, because they say it lowers its head as mocking 

 their attitudes in prayer. 



Gen. 12. MASTIGURA, Fleming. 



Scales of the body smooth and uniform, those of the tail larger 

 and more spinous than the preceding; pores under the thighs ; 

 no palatine teeth. 



M. spimpes, Daud. Body inflated, meadow-green, covered with 

 minute scales, spinous on the tail above, and on the thighs. 2 or 

 3 feet long. Inhabits Egypt. Geoff. Rept. Egypt, pi. 2, fig. 2. 



M. quetz-paleo, Daud. Scales edged and carinated ; tail spinous 

 above and below ; body gray, with two black spots forming a se- 

 micollar on the nape. Cuv. Reg. An. ii. 33. 



Gen. 13. AGAMA, Daudin. Lacerta, Lin. 



Body oblong, more or less thick, entirely covered with small cari- 

 nated scales, raised into rough points in different parts of the 

 body, and chiefly above the region of the ears ; head tumid ; 

 skin of the throat loose, plicated transversely, and capable of 

 inflation. 



A. vulgaris, (L. agama, Gmel.) Common Agama. Body brownish, 

 with a row of small spines on the nape, and some groups round 

 the ears. Inhabits Guiana.- Cuv. Reg. An. ii. 34. 



A. muricata, Cuv. Body grayish ; rows of large spinous scales in 

 transverse bands upon the back and tail ; throat capable of infla- 

 tion, and furnished with scales elongated into points, which form 

 a sort of beard ; similar scales on the flanks and behind the ears ; 

 tail twice as long as the body. Upwards of a foot long. Inhabits 

 New South Wales. Shaw, iii. pi. 65. 



A. orbicularis. Cuv. Body orbicular and rough, depressed and va- 

 riegated above with brown ; head like that of a toad ; tail short. 

 6 inches long. Inhabits South America. Shaw, iii. pi. 71- 



Gen. 14. TRAPELUS, Cuv. 



Body oblong ; head tumid ; scales small, smooth, and without 

 spines. 



This genus is founded by M. Cuvier on a small animal discovered by M. Geoffrey, 

 which is even more remarkable for the change of its colours than the chameleon. 



T. Egyptiacus, Cuv. Geoff: Rept. Egypt, pi. 5, fig 3, 4. 



Gen. 15. CALOTES, Cuv. 



Body covered with imbricated scales, edged on their margin, those 

 on the middle of the back forming a crest. 



