foot of, [537]

Nycticejus, [530]

Nyctinomus, [531]

Nyctipithecus, [560]

Nyctophilus, [529]

Ocapia johnstoni, [305]

Oceanic islands, mammalian fauna of, [81]

Ocelot, [398], [399]

Ochotona, [505]

Octodon, [487];