502 



INDEX. 



BLA 



Blackwall, on early display of in- 

 stincts by spiders, 216 



Blanchard, on mason-bee, 178 



Blood, on reasoning power of a dog, 

 464 



Boa-constrictor, really a Python, 

 which see 



Bodley, W. H., on dogs crossing a 

 river to fight undisturbed, 451-2 



Bold, on canary singing against own 

 image in mirror, 276 



Bombyx moth, larva of, 238-40 



Bonnet, on spider following her 

 eggs into pit of ant-lion, 205 ; his 

 experiments on instincts of cater- 

 pillars, 236; observations on ditto, 

 238 



Boobies, plundered by frigate peli- 

 cans, 284 



Bosc, on migrating fish, 248 



Bower-bird, instincts of, 279-81, 325 



Bowman, Parker, his cat opening 

 swivel of window, 425 



Boj's, C. v., his experiments with a 

 tuning-fork on spiders, 206, 207 



Brehm, on wasps recognising per- 

 sons, 188 ; intelligence of lapwing, 

 315, 316; curiosity of monkeys, 

 477 



Broderip, on vindictiveness of ele- 

 phant, 389 



Erodie, Sir B., his definition of 

 instinct, 15 ; on bees strengthen- 

 ing their combs, 185, 186 



Brofft, Herr L., on powers of com- 

 munication in bees, 160 



Brougham, Lord, on hexagonal form 

 of bees' cells, 172; on intelligence 

 of a dog, 450 



Brown, Capt., on vindictiveness of a 

 stork, 277-8 



Brown, W., on a cat extinguishing 

 fire by water, 425 



Browne, Dr. Crichton, on cat ring- 

 ing bell, 423 



Browne, Murray, on fox allowing 

 itself to be extricated from trap, 

 431 

 Browning, A. H., on intelligence of a 



dog, 450 

 Brydon, Dr., on collective instinct 

 of jackals, 434 



BUL 



Buchanan, Dr., on climbing perch, 

 249 ; on nidification of baya-bird, 

 294 



Biichner, Professor, on ants : nursing 

 habits, 59 ; stocking trees with 

 aphides, 63 ; warfare, 71-9 ; play, 

 87-88; leaf- cutting, 95-96; in- 

 telligence in making a bridge of 

 aphides over tar, 136; of them- 

 selves over a space, 136-37 ; and 

 of a straw over water, 137 ; 

 ecitons, 139 ; anatomy and phy- 

 siology of brain, 141-42. On bees 

 and wasps : powers of communica- 

 tion, 158-60 ; swarming habits, 

 168 ; wars and plunder, 169 ; cell- 

 building, 177-78 ; evacuating 

 dangerous hive, 187 ; keeping 

 hives clean, 190; carrjdng dead 

 from hive and burying them, 191 ; 

 ventilating hives, 191-92; hornet 

 and wasp dismembering heavy 

 prey, and carrying it to an 

 eminence in order to fly away 

 with it, 196 ; on termites, 198- 

 202. On spiders: web-building, 

 211-12; wolf-spider, 213; trap- 

 door spiders, 217-18 ; intelligence 

 of a spider habitually fed by Dr. 

 Moschkau, 218-19; spiders weight- 

 ing their webs, 221. On beetles : 

 co-operation of, 227-28 



Buck, E. C, on intelligence of 

 crocodiles, 263 ; on collective in- 

 stinct of wolves, 433 ; on combined 

 action of pelicans, 319 



Buckland, F., on pigeon remember- 

 ing voice of mistress, 266 ; crows 

 breaking shells by dropping them 

 on stones, 283 ; birds avoiding 

 telegraph wires, 313 



Buckley, on harvesting ants, 103 



Buckton, G. B., on caterpillars, 

 236 



Buffalo, 335-37 



Buffon, on hexagonal form of bees' 

 cells, 171-72 ; association of ideas 

 in parrot, 269 ; sympathy in ditto, 

 275 ; goat- sucker removing eggs, 

 289 



Bufo obstetricans, 254 



Bull, intelligence of, 338 



