y bud-variation from _R. alba_, i.
381;
bud-variation in _Aralia trifoliata_, i. 382;
variegation of leaves, i. 383;
colours of tulips, i. 386;
uncertainty of inheritance, ii. 18;
persistency of white flowers, ii. 20;
peloric flowers of _Linaria_, ii. 58;
tendency of striped flowers to uniformity of colour, ii. 70;
non-intercrossing of certain allied plants, ii. 91;
sterility of _Primulae_ with coloured calyces, ii. 166;
on fertile proliferous flowers, _ibid._;
on the Irish yew, ii. 241;
differences in the _Camellia_, ii. 251;
effect of soil on the variegated strawberry, ii. 274;
correlated variability in plants, ii. 330.
_Verruca_, ii. 53, 400.
VERTEBRAE, characters of, in rabbits, i. 120-122;
in ducks, i. 283-284;
number and variations of, in pigeons, i. 165-166;
number and characters of, in fowls, i. 266-268;
variability of number of, in the pig, i. 74.
VERTUCH, see Putsche.
"VERUGAS," ii. 276.
VESPUCIUS, early cultivation in Brazil, i. 311.
VIBERT'S experiments on the cultivation of the vine from seed, i. 332.
_Viburnum opulus_, ii. 185, 316.
_Vicia sativa_, leaflet converted into a tendril in, ii. 392.
VICUNAS, selection of, ii. 207.
VILLOSITY of plants, influenced by dryness, ii. 277.
VILMORIN, cultivation of the wild carrot, i. 326, ii. 217;
colours of tulips, i. 386;
uncertainty of inheritance in balsams and roses, ii. 18;
experiments with dwarf varieties of _Saponaria calabrica_ and _Tagetes
signata_, ii. 20;
reversion of flowers by stripes and blotches, ii. 37;
on variability, ii. 262.
_Vinca minor_, sterility in, ii. 170.
VINE, i. 332-334;
parsley-leaved, reversion of, i. 382;
graft-hybrid produced by inosculation in the, i. 395;
disease of, influenced by colour of grapes, ii. 228;
influence of climate, &c., on varieties of the, ii. 278;
diminished extent of cultivation of the, ii. 308;
acclimatisation of the, in the West Indies, ii. 313.
_Viola_, species of, i. 368.
_Viola lutea_, different coloured flowers in, i. 408.
_Viola tricolor_, reversion in, ii. 31, 47.
VIRCHOW, Prof., blindness occurring in the offspring of consanguineous
marriages, ii. 143;
on the growth of bones, ii. 294, 381;
on cellular prolification, ii. 295;
independence of the elements of the body, ii. 369;
on the cell-theory, ii. 370;