CLASS REPTILIA. 



Double Crested Ada. Teius (A.) Bicariiiata, Lac. Bica- 

 rinata, Gm. Tup. Lacertinus, Daud. Croc. Amazoni- 

 cus, Spix, t. 21. 



Back with equal keeled scales, belly with eight series of 

 scales. South America. Young, side of body spotted. 

 Croc. Ocellatus, Spix, t. 22. f. 1. 



II. Abdominal scales smooth^ longer than broad; dorsal 

 scales smooth; tail round ; collar small. Teguixin. 



Variegated Safeguard. Teius. (T.) Monitor, Merrem. 

 Lacerta Teguixin, Lin. Seba, i. t. 96. f. 23. t. 97- f. 1, 

 5. t. 99. f. 1. Tup. Nigropunctatus, Spix, t, 20. 

 Pr. Max. Beytr. t. 



Black, with bands of yellow spots ; beneath yellow ; tail, 

 black and yellow-banded. Tup. Maculatus, Daud. Tup. 

 Monitor, Spix, t. 19., appears to be the young. 



According to Mr. Caup's account of his genus Eocypuestes, 

 which he says, has the scales of the Monitor, and the tongue, 

 teeth, head, plates, and country of Teius, it must belong to 

 this subgenus. He described the back as finely and equally 

 scaled, and the palate toothless. 



III. Abdotninal scales smooth, broader than long ; tail 

 round ; dorsal scales smooth ; collar none. The young 

 streaked with black on the sides. Ameiva. 



The Ameiva. Teius Ameiva Vulgaris., Licht. Spix, t. 23. 

 Lac Ameiva, Lin. Ameiva Argus, Fitz. 



Green, black spotted, sides with four bands of black-edged 

 white spots. Young Teius Ocellifer, Spix. 



Lettered Ameiva. Teius {A.) Litterata, Daud. Seba, i. 



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