onstitution, ii. 335.
LUCAZE-DUTHIERS, structure and growth of galls, ii. 282-284.
LUIZET, grafting of a peach-almond on a peach, i. 338.
{463}
LUETKE, cats of the Caroline Archipelago, i. 47.
LUXURIANCE, of vegetative organs, a cause of sterility in plants, ii.
168-171.
LYONNET, on the scission of _Nais_, ii. 358.
_Lysimachia nummularia_, sterility of, ii. 170.
_Lythrum_, trimorphic species of, ii. 400.
_Lythrum salicaria_, ii. 183;
contabescence in, ii. 166.
_Lytta vesicatoria_, affecting the kidneys, ii. 380.

_Macacus_, species of, bred in captivity, ii. 153.
MACAULAY, Lord, improvement of the English horse, ii. 213.
MCCLELLAND, Dr., variability of fresh-water fishes in India, ii. 259.
MCCOY, Prof., on the dingo, i. 26.
MACFAYDEN, influence of soil in producing sweet or bitter oranges from
the same seed, i. 335.
MACGILLIVRAY, domestication of the rock-dove, i. 185;
feral pigeons in Scotland, i. 190;
number of vertebrae 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.
MACNAB, Mr., on seedling weeping birches, ii. 18;
non-production of the weeping beech by seed, ii. 19.
MADAGASCAR, cats of, i. 47.
MADDEN, H., on interbreeding cattle, ii. 118.
MADEIRA, rock pigeon of, i. 184.
_Magnolia grandiflora_, ii. 308.
MAIZE, its unity of origin, i. 320;
antiquity of, _ibid._;
with husked grains said to grow wild, _ibid._;
variation of, i. 321;
irregularities in the flowers of, i. 321;
persistence of varieties, _ibid._;
adaptation of to climate, i. 322, ii. 307;
acclimatisation of, ii. 313, 347;
crossing of, i. 400, ii. 104-105;
extinct Peruvian varieties of, ii. 425.
MALAY fowl, i. 227.
MALAY Archipelago, horses of, i. 53;
short-tailed cats of, i. 47;
striped young wild pigs of, i. 76;
ducks of, i. 280.
MALE, influence of, on the fecundated female, i. 397-406;
supposed influence of, on offspring, ii. 68.
MALE flowers, appearance of, among female flowers in maize, i. 321.
MALFORMATIONS, hereditary, ii. 79.
_Malva_, fertilisation of, i. 402, ii. 363.
_Mamestra s