INDEX. 



519 



TIN 



Vindictiveness, of birds, 277, 278, 

 and 318-25; of horse, 330, 331; 

 of elephant, 387-9 ; of monkeys, 

 478, and 484-96 



Virchow, on difficulty of distinguish- 

 ing between instinct and reason, 

 12 



Vogt, Karl, on duration of memory 

 in ants, 41 ; bridge-making, 136 



Vultures, finding carrion by sight 

 and not by smell, 286, 287 ; intel- 

 ligence, 314 



WAFEK, on monkeys hammering 

 oyster-shells with stones, 481 



Wakefield, P., on intelligence of 

 goats, 337, 338 



Wallace, A. R., on philosophy of 

 birds'- nests, 298-300 



Warden, on frogs going straight to 

 nearest water, 254 



Wasp-mason, 180 ; butcher, 1 80, 181 ; 

 sphex, 181 ; hunting, 193, 194 ; 

 common, tamed by Sir John Lub- 

 bock, 153 



Wasps, sense of direction in, 147 ; 

 teaching themselves, 154; killing 

 larvae, 167, 168 ; making cells, 

 180; instincts of neuters, 181 ; 

 recognising persons, 188 ; coming 

 out of small aperture backwards, 

 192, 193 ; struggles with ants for 

 secretion of frog-hoppers, 194, 

 1 95 ; dismembering heavy prey 

 for convenience of carriage, and 

 mounting eminences for same pur- 

 pose, 195, 197 



Wasser, on nidification of puffins, 

 291 



Waterhouse, on hexagonal form of 

 bee's cell, 173 



Water-rail, its mode of escape, 289 



Waterton, on nidification of swan, 

 295, 296 



Watson, on spiders weighting their 

 webs, 221 ; cock killing hen on 

 her hatching out eggs of other 

 birds, 278; intelligence of rats, 

 360-62 ; viudictiveness of elephant, 

 389 ; elephant, enduring surgical 

 operation, 399 ; intelligence of 



WIX 



sheep-d.>gs, 448; of cattle- dogs, 

 449 



Weasel, 346, 347 



Weaver, nidification of, 293 



Web, see Spider 



Web-building, see Spiders 



Webb, Dr., performing operation on 

 elephant, 399 



Weber, Professor E. H., on spiders 

 weighting their webs, 221 



Wedgewood, the Eev. R. H., on 

 memory of horse, 330 



Westlecombe, on reasoning power 

 of a dog, 462, 463 



Westropp, on intelligence of bear, 

 352 



Westwood, on instinct of cater- 

 pillars, 288 



Weygandt, on robber-bees, 170 



Whale, maternal affection of, 327 ; 

 attacks on, by sword- and thresher- 

 fish, 252, 253 



Whately, Archbishop, on cat ringing 

 bell, 423 



White ants, see Termites 



White, the Rev. Gilbert, on nests of 

 harvesting-mice, 365 ; on nidifi- 

 cation of house-martin, 292, 293 



White, W., on intelligence of snails, 

 26 



White, the Rev. W W. F., on sym- 

 pathy of ants, 49 ; keeping pets, 

 84 ; burying dead, 92, 93 



White-headed eagle, see Eagle 



Wildman. his alleged training of 

 bees, 189 



Wilks, Dr. S., observations on talking 

 of parrot, 267, 268 ; on dog recog- 

 nising a portrait, 455 



Williams, on intelligence of sheep- 

 dogs, 448 



Williams, B., on cunning of sheep- 

 killing dogs, 450, 451 



Wilson, on memory of crow, 266 



Wilson, Dr. Andrew, on reasoning 

 power of a dog, 460 



Wilson, Charles, on intelligence of 

 swallows, 318 



Wilson, Dr. D., on elephant enduring 

 surgical operation, 399 



Winkell, Dietrich aus dem, on in- 

 telligence of fox, 428 



