Macgillivray, domestication of the rock-dove, i. 185;

feral pigeons in Scotland, i. 190;

number of vertebræ in birds, i. 266;

on wild geese, i. 287;

number of eggs of wild and tame ducks, ii. [112].

Mackenzie, Sir G., peculiar variety of the potato, i. 330.

Mackenzie, P., bud-variation in the currant, i. 376.

Mackinnon, Mr., horses of the Falkland islands, i. 52;

feral cattle of the Falkland islands, i. 86.

MacKnight, C., on interbreeding cattle, ii. [118].