Apteryx, [182].
Arab horses, [35].
Aralo-Caspian Sea, [339].
Archaic, 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].