VAERO. 



INDEX. 



VIRGIL. 



491 



species, i. 5 ; abnormal, ii. 409 ; 

 domestic, gradually produced, ii. 411. 

 VARRO, on domestic ducks, i. 291 ; on 

 feral fowls, ii. 7 ; crossing of the 

 wild and domestic ass, ii. 190. 

 Vasey, Mr., on the number of sacral 

 vertebrae in ordinary and humped 

 cattle, i. 83 ; on Hungarian cattle, i. 

 84. 



Vaucher, sterility of Ranunculus 

 ficaria and Acorus calamus, ii. 154. 



Vegetables, cultivated, reversion in, 

 ii. 7 ; European, culture of, in India, 

 ii. 152, 153. 



Veith, Mr., on breeds of horses, i. 

 51. 



Verbascum, intercrossing of species of, i. 

 356, ii. 71, 83-85 ; reversion in hy- 

 brids of, i. 425 ; self-sterility of, ii. 

 118; contabescent, wild plants of, ii. 

 149 ; villosity in, ii. 267. 



Verbascum austriacum, ii. 117. 



.Verbascum blattaria, ii. 83, 84. 



Verbascum lychnitis, ii. 83, 84, 117. 



Verbascum nigrum, ii. 117. 



Verbascum phmniceum, ii. 85, 118 ; vari- 

 able duration of, ii. 295. 



Verbascum thapstts, ii. 84, 118. 



Verbenas, origin of, i. 388 ; white, 

 liability of, to mildew, ii. 213, 330; 

 scorching of dark, ii. 214, 330 ; effect 

 of changed conditions of life on, ii. 

 263. 



Verlot, on the dark-leaved barberry, 

 i. 385; inheritance of peculiarities 

 of foliage in trees, ibid. ; produc- 

 tion of Rosa cannabifolia by bud-vari- 

 ation from R. alba, i. 406; bud- 

 variation in Aralia trifoliata, i. 408 ; 

 variegation of leaves, ibid. ; colours 

 of tulips, i. 412 ; uncertainty of in- 

 heritance, i. 461; persistency of 

 white flowers, i. 463 ; peloric flowers 

 oiLinaria, ii. 32; tendency of striped 

 flowers to uniformity of colour, ii. 46 ; 

 non-intercrossing of certain allied 

 plants, ii. 68 ;sterility of Primula- with 

 coloured calyces, ii. 150 ; on fertile 

 proliferous flowers, ibid. ; on the Irish 

 yew, ii. 228 ; differences in the Ca- 

 mellia, ii. 238; effect of soil on the 

 variegated strawberry, ii. 263 ; cor- 

 related variability in plants, ii. 324. 



Verruca, ii. 23, 394. 



Vertebrae, characters of, in rabbits, i. 

 126-128; in ducks, i. 297, 298; 

 number and variations of, in pigeons, 

 i. 174, 175 ; number and characters 

 of, in fowls, i. 279-281 ; variability 

 of number of, in the pig, i. 77. 



Vertuch. See Putsche. 



"VERQGAS,"ii. 266. 



Vespucius, early cultivation in Brazil, 



i. 329. 

 Vibert's experiments on the cultiva- 

 tion of the vine from seed, i. 352. 

 Viburnum opulus, ii. 169, 307. 

 Vicia saliva, leaflet converted into a 



tendril in, ii. 386. 

 Vicunas, selection of, ii. 192. 

 Villosity of plants, influenced by dry- 

 ness, ii. 267. 

 Vilmorin, cultivation of the wild 

 carrot, i. 344, ii. 267 ; colours of 

 tulips, i. 412; uncertainty of in- 

 heritance in balsams and roses, i. 

 461 ; experiments with dwarf varie- 

 ties of Saponaria calabrica and Tagetes 

 signata, i. 463 ; reversion of flowers 

 by stripes and blotches, ii. 11 ; on 

 variability, ii. 250. 

 Vinca minor, sterility in, ii. 154. 

 Vine, i. 352-354 ; parsley-leaved, re- 

 version of, i. 408 ; graft-hybrid pro- 

 duced by inosculation in the, i. 419 ; 

 disease of, influenced by colour of 

 grapes, ii. 213, 214; influence of 

 climate, &c, on varieties of the, ii. 

 267 ; diminished extent of cultiva- 

 tion of the, ii. 298 ; acclimatisation 

 of the, in the West Indies, ii. 304. 

 Viola, species of, i. 391. 

 Viola lutea, different coloured flowers 



in, i. 440. 

 Viola tricolor, reversion in, ii. 4, 22. 

 Virchow, Prof., on the growth of 

 bones, ii. 284, 377 ; on cellular pro- 

 lification, ii. 85 ; independence of 

 the elements of the body, ii. 364; on 

 the cell-theory, ii. 366 ; presence of 

 hairs and teeth in ovarian tumours, 

 ii. 365 ; of hairs in the brain, ii. 

 386 ; special affinities of the tissues, 

 ii. 375; origin of polypoid excres- 

 cences and tumours, ii. 377. 

 Virgil, on the selection of seed corn, i. 



