Family Amphisbaenidae 83 
Vol. 10, No. 195, 1895, p. 10 (type locality, Resistencia, Chaco | 
of Argen tina). 
RaNcE: Argentina. 
Leposternon boulengeri BorTTGER 
Lepidosternon boulengeri BortrceEr, Zeitschr. f. Naturw., Vol. 
58, 1885, p. 220 (type locality, Paraguay). 
Leposternon boulengeri BuRT and Burt, Proc. U. S. Nat. Mus., 
Vol. 78, Art. 6, 1930, p. 41. 
Rance: Argentina and Paraguay. 
Leposternon camerani PERACCA 
Lepidosternon camerani Peracca, Boll. Mus. Zool. Univ. Torino, 
Vol. 10, No. 195, 1895, p. 12 (type locality, Luque, Paraguay). 
Rance: Paraguay. 
Leposternon carcani PERACCA 
Lepidosternon carcani Prracca, Boll. Mus. Zool. Univ. Torino, 
Vol. 19, No. 460, 1904, p. 5 (type locality, Tebicuari, Para- 
guay). 
RANcE: Paraguay. 
Leposternon crassum STRAUCH 
Lepidosternon crassum Straucn, Mél. Biol. Acad. St. Petersburg, 
Vol. 11, 1881, p. 433 (type locality, Brazil). 
Rance: Brazil. 
Leposternon guentheri STRAUCH 
Lepidosternon guentheri Straucn, Mél. Biol. Acad. St. Peters- 
burg, Vol. 11, 1881, p. 449 (type locality, unknown). 
RaNcE: South America. 
Leposternon infraorbitale BERTHOLD 
Lepidosternon infraorbitale BERTHOLD, Géttingen Nachr., 1859, 
p. 179 (type locality, Bahia, Brazil). 
RANGE: Brazil. 
Leposternon laticeps PERacca 
Lepidosternon laticeps Peracca, Boll. Mus. Zool. Univ. Torino, 
Vol. 19, No. 460, 1904, p. 3 (type locality, Urucum, Paraguay). 
RANGE: Paraguay. 
Leposternon latifrontale BoULENGER 
Lepidosternon. latifrontale BOULENGER, Ann. and Mag. Nat. Hist., 
