of Australia, 116.
with thicker fur in cold climates, 133.
blind, in caves, 137.
extinct, of Australia, 339.
Anomma, 240.
Antarctic islands, ancient flora of, 399.
Antirrhinum, 161.
Ants:
attending aphides, 211.
slave-making instinct, 219.
Ants, neuter, structure of, 236.
Aphides attended by ants, 211.
Aphis, development of, 442.
Apteryx, 182.
Arab horses, 35.
Aralo-Caspian Sea, 339.
Archiac, M. de, on the succession of species, 325.
Artichoke, Jerusalem, 142.
Ascension, plants of, 389.
Asclepias, pollen of, 193.
Asparagus, 359.
Aspicarpa, 417.
Asses, striped, 163.
367