Octodon, ii. [238]

OCTOPODIDÆ, ii. [505]

Ocyalus, ii. [282]

Ocydromus, ii. [352]

Ocyphaps, ii. [333]

Odontochila, ii. [486]

Odontolabris, ii. [493]

Odontophorus, ii. [339]

Odontophrynus, ii. [420]

Œdemia, ii. [364]