ORDER SAURIA. 123 



dominates in transverse bands along its back and tail, 

 and approximates it to the stelliones. Its throat, 

 susceptible of being much inflated, is furnished with 

 scales elongated into points, which form a kind of 

 beard. Similar scales bristle on the flanks, and form 

 two oblique crests behind the ear. 



Under the belly are yellowish spots, bordered 

 blackish. 



From this must be distinguished the 



Muricated Agama, of the same country. Lac. Mu- 

 ricata. Sh. Gen. Zool. vol. iii. part i. pi. Ixv. f. 11. 

 White, p. 244. 



In which the raised scales are disposed in longitu- 

 dinal bands, and between them are two series of spots, 

 paler than the ground, which is a blackish brown. 

 The size of this reptile is also considerable. 

 Other species have no pores in the thighs. 



Ag. Colonorum, Daud. 

 Seb. I. cvii. 3. 



Brownish, with long tail, having a small range of 

 small spines on the nape. It comes from Africa, and 

 not from Guiana, as has been asserted.* 



* Nothing can equal the confusion of synonimes cited by authors under 

 the different species of lizards, but especially those of the Agama;, Calotes, 

 and Slellioncs. For instance, in the case of the Agama, Daudin, after 

 Gnielin, quotes Seb. I. cvii. 1 and 2, which are Stelliones, Sloane, Juu). II. 



