Auditory columellar apparatus, of Amphibia, [24];

of Anura, [29]

Australian, Anura, spawning time and habits of, [201];

Lacertilia, [502]

Autodax, [96], [104], [107];

A. lugubris, [107];

A. iecanus, [107]

Autosauri, [491] f.

Axis;

see Atlas