48 Trans. Acad. Sci. of St. Louis 
Tropidurus torquatus hispidus (Spx) 
Agama hispida Sprx, Spec. Novae Lacert, Bras., 1825, p. 12 (type 
locality, Bahia, Brazil). 
Tropidurus a Bou.encer, Cat. Liz. British Mus., Vol. 2, 
»?P 
Tropidurus a hispidus Burt and Burt, Proc. U. 5S. Nat. 
Mus., Vol. 78, Art. 6, 1930, 
RANGE: Northern South hanesicn. 
Tropidurus torquatus torquatus (WIED) 
Stellio torquatus Wiep, Reise nach Bras. (1815-1917), Vol. 1, 
1820, p. 106 (type locality, Brazil) 
Tropidurus torquatus BOULENGER, Cat. Liz. British Mus., Vol. 2, 
» p- 176. 
Tropidurus torquatus torquatus Burt and Burt, Proc. U. S. Nat. 
Mus., Vol. 78, Art. 6, 1930, 
Rance: Brazil, Bolivia, Dioraay. Paraguay, and Argentina. 
Tropidurus unicarinatus WERNER 
Tropidurus unicarinatus WERNER, Zool. Anz., Vol. 22, 1899, p- 
(type locality, Surinam) 
Rance: Northeastern South America. 
Genus Uranescodon 
Kaup, in Oken, Isis, = — 7 p. 89 (type species, 
ilio 
Uranoscodon neaulliog (LinNAEus) 
Lacerta superciliosa Linnarus, Syst. Nat., Ed. 10, 1758, p. 200 
(type locality, South America and Indi a). 
Uranoscodon superciliosa Kaur, in Oken, Isis, 1825, p. 590. 
Rance: Northeastern South America; Venezuela. 
enus Urocentron 
Kavp, in Oken, Isis, Vol. 19, 1827, p. 612 (type species, azureum) 
Urocentron azureum (LINNAEUS) 
Lacerta azurea LINNAEUS, Syst. Nat., Ed. 10, 1758, p. 202 (type 
locality, Brazil). 
Urocentron azureum Kaup, in Oken, Isis, Vol. 19, 1827, p. 612. 
Rance: Brazil. 
Urocentron castor CoPE 
U page castor Cope, Proc. Amer. Philos. Soc., Vol. 11, 1870, 
p- 556 (type locality, Pebas, Ecuador). 
Rance: Southern Ecuador and probably northern Peru. 
