26 Trans. Acad. Sci. of St. Louis 
Enyalius zonatus WETTSTEIN 
Enyalius zonatus WeTTstTEIN, Anz. Akad. Wiss. Wien, Vol. 63, 
1926, p. 1 (type locality, Ecuador). 
Rance: Ecuador. 
Genus Hoplocercus 
Fitzincer, Syst. Reptil., 1843, p. 78 (type species, spinosus) 
Hoplocercus annularis O’SHAUCHNEsSY 
Hoplocercus annularis O'SHAUGHNESSY, Proc. Zool. Soc. London, 
1881, p. 244 (type locality, Canelos, Ecuador). 
Rance: Ecuador. 
Hoplocercus spinosus FiTzINceR 
Hoplocercus spinosus Frrzincer, Syst. Reptil., 1843, p. 78 (type 
locality, Brazil). 
Rance: Brazil. 
Genus Iguana 
LAURENTI, Synope. ses 1768, p. 47 (type species, 
erculata—=iguana) 
Iguana i iguana daca 
Lacerta iguana Linnaeus, Syst. Nat., Ed. 10, 1758, p. 206 (type 
locality, America). 
RANGE: Central and northern South America, into Central 
America, often insular. 
Genus Leiocephalus' 
Gray, Philos, Mag. (London), Ser. 2, Vol. 2, 1827, p. 207 
(type species, carinatus) 
Leiocephalus arenarius (Tscuupt) 
Steironotus arenarius TscHup1, Fauna Peruana, Herpet., 1845, 
p. 25 (type lowidity; Huacho, north of Lima, Peru) - 
— rhodogaster BoULENGER, Ann. and Mag. Nat. Hist., 
Ser. ol. 7, 1901, p. 547 (type locality, Mecsad: Perené 
heer Pera), 
Liocephalus arenarius Roux, Revue Suisse Zool., Vol. 15, 1907, 
p- 300. 
RANGE: Peru. 
Leiocephalus —s (Cope) 
Scartiscus caducus Cope, Proc. Acad. Nat. Sci. Phila., 1862, p. 
182 (type ina: Paraguay). 
1 {Including Scartiscus Cope, Proc. Acad. Nat. Sci. Phila., 1862, p. 182 (type species, caducus). we 
