Æsthetic tastes in birds (?), [112] et seq.

Agriculture, Chap. xviii., p. [220], xix., p. [231], [294-5]-[6]

Ague, [108]

Alpine Accentor, [147]

—— Chough, [147], [154] (footnote)

—— Pipit, [147], [155]

—— Swift, [154], [216], [247], [254], [451]

Altitudes of mountains, [26], [143], [153] (footnote), [159], [168], [179]

Alto Douro, [329] et seq.

Andalucian Quail, [353], [420]