Anser cygnoides, i. 237.
Anser ferus, the original of the domestic goose, i. 287;
fertility of cross of, with domestic goose, i. 288.
Anson, on feral fowls in the Ladrones, i. 238.
Antagonism between growth and reproduction, ii. [384].
Anthemis nobilis, bud-variation in flowers of, i. 379;
becomes single in poor soil, ii. [167].
Antherozoids, apparent independence of, in algæ, ii. [384].
Anthers, contabescence of, ii. [165]-[166].
Antigua, cats of, i. 46;