on the breeds of fowls, i. 247;

on the origin of the domestic duck, i. 278.

Alefield, Dr., on the varieties of peas and their specific unity, i. 326;

on the varieties of beans, i. 330.

Alexander the Great, his selection of Indian cattle, ii. [202].

Algæ, retrogressive metamorphosis in, ii. [361];

division of zoospores of, ii. [378].

Allen, W., on feral fowls, i. 237; ii. [33].

Allman, Professor, on a monstrous Saxifraga geum, ii. [166];

on the development of the Hydroida, ii. [368].