Agave vivipara, seeding of, in poor soil, ii. [169].
Age, changes in trees, dependent on, i. 387.
Agouti, fertility of, in captivity, ii. [152].
Agriculture, antiquity of, ii. [243].
Agrostis, seeds of, used as food, i. 309.
Aguara, i. 26.
Ainsworth, Mr., on the change in the hair of animals at Angora, ii. [278].
Akbar Khan, his fondness for pigeons, i. 205; ii. [204].
Alauda arvensis, ii. [154].
Albin, on "Golden Hamburgh" fowls, i. 247;