CLASS REPTILIA. 



Green Ameiva, Teius {A.^ Viridis, Merrem. Lacerta. 

 Teyou, Daud. Ameiva Teyu, Lecht. 



Top of head and dorsal line green ; body olive violet, with 

 six white longitudinal lines ; throat and belly silvery white. 



Collared Ameiva y Teius (A.) Collaris. Agama Collaris, Say, 



Long. Exp. 



Olive, with five or six alternate broad dusky and narrow 

 yellow or grey spotted fibrous bands ; sides greenish yellow ; 

 sides of neck fibrous, varied with red and black bands, be- 

 neath pale. North America, Arkansa Territory. 



IV. Abdominal scales lanceolate^ heeled ; tail round ; collar 

 distinct. Kentropyx, Spix. 



Intermediate Centropyce. Teius (C) Intermedius, Schlegel. 

 Back with three pale lines ; dorsal scales minute. Surinam, 

 Mus. Leyd. 



Spurred Centropyoo. Teius (C) Calearatus, Spix. t. 22, 



f. 2. 



Scales of the back and throat granular. Males with two 

 small spine-like scales on each side of the vent ; scales of the 

 belly^ legs, and tail, keeled, green ; sides of the back blackey. 

 Brazils. 



Striated Centropyx. Teius (K.) Striata. Lacerta Striata, 

 Daud. Pseudo-Ameiva Striata, Fitz. Merrem. Wetter. 

 Ann. i. t. 1, Pr. Max. Beytr. xiii. 



Grey, sides blue, with two longitudinal brown lines ; abdo- 

 minal scales twelve rows ; dorsal scales keeled. 



Genus IV. Laceeta. 



Tongue contractile ; head shielded ; palate toothed ; lateral 

 line, none ; the bones of the skull advanced over the temples 



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