n fruit-trees, ii. 330;
production of almond-like fruit by peach-seedlings, i. 339.
_Vanessa_, species of, not copulating in captivity, ii. 157.
VARIABILITY, i. 4, ii. 371-373, 394-397, 406-420;
causes of, ii. 250-270;
correlated, ii. 319-338, 353-355, 419-420;
law of equable, ii. 351-352;
necessity of, for selection, ii. 192;
of selected characters, ii. 238-239;
of multiple homologous parts, ii. 342.
{483}
VARIATION, laws of, ii. 293-356;
continuity of, ii. 241;
possible limitation of, ii. 242, 416-417;
in domestic cats, i. 45-48;
origin of breeds of cattle by, i. 88;
in osteological characters of rabbits, i. 115-130;
of important organs, i. 359;
analogous or parallel, i. 348-352;
in horses, i. 55;
in the horse and ass, i. 64;
in fowls, i. 243-246;
in geese, i. 288;
exemplified in the production of fleshy stems in cabbages, &c., i. 326;
in the peach, nectarine, and apricot, i. 342, 344;
individual, in wheat, i. 314.
VARIEGATION of foliage, i. 383, ii. 167-168.
VARIETIES and species, resemblance of, i. 4, ii. 411-413;
conversion of, into species, i. 5;
abnormal, ii. 413;
domestic, gradually produced, ii. 414.
VARRO, on domestic ducks, i. 277;
on feral fowls, ii. 33;
crossing of the wild and domestic ass, ii. 206.
VASEY, Mr., on the number of sacral vertebrae in ordinary and humped
cattle, i. 79;
on Hungarian cattle, i. 80.
VAUCHER, sterility of _Ranunculus ficaria_ and _Acorus calamus_, ii. 170.
VEGETABLES, cultivated, reversion in, ii. 31-32;
European, culture of, in India, ii. 168-169.
VEITH, Mr., on breeds of horses, i. 49.
_Verbascum_, intercrossing of species of, i. 336, ii. 93, 105-107;
reversion in hybrids of, i. 392;
contabescent, wild plants of, ii. 165;
villosity in, ii. 277.
_Verbascum austriacum_, ii. 136.
_Verbascum blattaria_, ii. 105-106.
_Verbascum lychnitis_, ii. 105-106, 136.
_Verbascum nigrum_, ii. 136.
_Verbascum phoeniceum_, ii. 107, 137;
variable duration of, ii. 305.
_Verbascum thapsus_, ii. 106.
VERBENAS, origin of, i. 364;
white, liability of, to mildew, ii. 228, 336;
scorching of dark, ii. 229, 336;
effect of changed conditions of life on, ii. 273.
VERLOT, on the darkleaved Barberry, i. 362;
inheritance of peculiarities of foliage in trees, i. 362;
production of _Rosa cannabifolia_ b