VARIATION. 



INDEX. 



483 



Variation, laws of, ii. 293-356; conti- 

 nuity of, ii. 241 ; possible limitation of, 

 ii. 242, 416-417; i n 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; 

 iu 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 ; do- 

 mestic, 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 ver- 

 tebrae in ordinary and humped cattle, 

 i. 79 ; on Hungarian cattle, i. SO. 

 Vaecher, sterility of Ranunculus ficaria 



and Acorus calamus, ii. 170. 

 Vegetables, cultivated, reversion in, ii. 

 31-32 ; European, culture of, iu 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 ; vari- 

 able duration of, ii. 305. 

 Verbascum thapsus, ii. 106. 

 Verbenas, origin of, i. 364; white, lia- 

 bility of, to mildew, ii. 228, 336; 

 scorching of dark, ii. 229, 336 ; effect 

 of changed conditions of life on, ii. 

 273. 

 Verlot, on the dark-leaved Barberry, i. 

 362 ; inheritance of peculiarities of 

 foliage in trees, i. 362 ; production of 

 Bosa cawnabifolia by bud-variation 

 from i?. 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 ; per- 

 sistency 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 Pri- 

 mulas 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 Putsehe. 



" Verugas," ii. 276. 



Vespucius, early cultivation in Brazil, i. 

 311. 



Vibert's experiment 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 dry- 

 ness, 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, rever- 

 sion 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 varie- 

 ties of the, ii. 278 ; diminished extent 

 of cultivation of the, ii. 308 ; acclima- 

 tisation 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. 



Viechow, Prof., blindness occurring in 

 the offspring of consanguineous mar- 

 riages, 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; presence of hairs and teeth in 

 ovarian tumours, ii. 370; of hairs in 

 the brain, ii. 391 ; special affinities of 

 the tissues, ii. 380 ; origin of polypoid 

 excrescences and tumours, ii. 381. 



Vtrgil on the selection of seed-corn, i. 

 318, ii. 203; of cattle and sheep, ii. 

 202. 



Virginian islands, ponies of, i. 52. 



Virgularia, ii. 378. 



Vision, hereditary peculiarities of, ii. 8-9 ; 



2 i 2 



4 



