A. prasinus, [455];

A. wagleri, [455]

Aulia, [480]

Auriculars, [20]

Auriparus, [538]-[540]

Australasia, as a Region, [15]

Australian Region, [15] f.;

its contents, [16]

Austro-Columbia, [15]

Austro-Coraces, [531] n., [557] n.