Ophidium, ii. [440]

OPHIOCEPHALIDÆ, ii. [435]

Ophiodes, ii. [397]

OPHIOMORIDÆ, ii. [398]

Ophiomorus, ii. [398]

Ophiophagus, ii. [383]

Ophiops, ii. [391]

Ophioscincus, ii. [397]

Ophisaurus, ii. [392]

Ophites, ii. [380]