M'CLELLAND, Dr., variability of fresh-water fishes in India.

M'COY, Prof., on the dingo.

MACFAYDEN, influence of soil in producing sweet or bitter oranges from the same seed.

MACGILLIVRAY, domestication of the rock-dove. -feral pigeons in Scotland. -number of vertebrae in birds. -on wild geese. -number of eggs of wild and tame ducks.

MACKENZIE, Sir G., peculiar variety of the potato.

MACKENZIE, P., bud-variation in the currant.

MACKINNON, Mr., horses of the Falkland Islands. -feral cattle of the Falkland Islands.

MACKNIGHT, C., on interbreeding cattle.

MACNAB, Mr., on seedling weeping birches. -non-production of the weeping beech by seed.

MADAGASCAR, cats of.