318 SAURIA. 



the neck, and one in advance of the shoulders. Teeth on the palate. 

 Auricular aperture anteriorly serrated ; tympanum visible. Body 

 elongated, depressed, without lateral folds, and covered with small, 

 imbricated scales, keeled on the back, and disposed upon series con- 

 verging towards the dorsal line, which is not crested. Abdominal 

 scales smooth. Tail elongated, stout at the base, where depressed, 

 conical posteriorly, protected by rather large, keeled scales : the 

 medial series being slightly crested. Limbs of moderate develop- 

 ment ; fingers and toes unequal. No femoral pores. 



Syn. — Tarayuira, Gray, Catal. Lizz. Brit. Mus. 1845, 219. 



EcpJiymotes, Cuv. (non FiTZ.), E5gn. Anim. 2d ed. II, 1829, 47.— Du3i. & Bibr. 

 Erp^t. gen. IV, 1837, 342.— Dum. & A. Dum. Catal. meth. Kept, Mus. d'hist. nat. i, 

 1851, 81. 



Observ. — Since Ecfhymotes, of Fitzinger and Cuvier, appear to be 

 distinct genera, and that the former author has the priority over the 

 latter, we must necessarily adopt Taraguiraj in order to preserve an 

 intelligible nomenclature. 



Taeaguira torquata, Gray. 



Spec. Char. — Either olive or greenish-brown above, spotted with 

 black or olive ; a pale streak on each side of the back, more or less 

 apparent. A white-edged, black, vertical band in advance of the 

 shoulder. Chin variegated with irregular dark lines or spots, upon 

 a light ground. Throat generally blackish. Belly and under sur- 

 face of limbs and tail unicolor, yellowish, except in the male sex, 

 in which a zone of small, black spots, may be seen under the thighs; 

 each scale bearing one of these spots. 



SYN.—Stellio torquotus, Maxim. Naturh. Beise, in Bras. I, 1817, 139 ; &, Beytr. 

 Naturg. Bras. I, 1825, 39. 



Tropidurus torquatus, Maxim. Bee. PI. Col. Anim. Bres. 1822. — FiTZ. Neue Clas. 

 Bept. 1826, 49.— Wagl. Naturl. Syst. Amph. 1830, 147.— Gray, Synops. Bept. in 

 Griff. Anim. Kingd. IX, 1831, 41.— Wiegm. Herp. Mex. 1834, 18.— Gravenh. in 

 Act. Nat. Cur. XVIII, ii, 1838, 754. PI. lvi, figs. 13-16. 



Agama tuberculata, Spix, Spec. nov. Lacert. Bras. 1825, 12. Tab. xv, fig. 1. 



Agama Mspida, Spix, Spec. nov. Lacert. Bras. 1825, 12. Tab. xv, fig. 2. 



Agama nigricollaru, Spix, Spec. nov. Lacert. Bras. 1825, 13. Tab. xvi, fig. 2. 



Agama cydura, Spix, Spec. nov. Lacert. Bras. 1825, 14. Tab. xvii, fig. 1. 



