Uraeotyphlus, 3 species, West Africa and India.
b. One series of teeth in the lower jaw.
Tentacle in front of the eye.
Cryptopsophis, 1 species, Seychelles.
B. Eyes below the cranial bones. Quadrato-jugal in contact with parietal.
Tentacle near the nostril.
Gymnophis, 4 species, South America.
Herpele, 2 species, Panama and Gaboon.
II. Without scales.
A. Eyes distinct, or concealed under the skin.