INDEX. 
502 
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, 27 6 
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 
Bose, on migrating fish, 248 
Bower-bird, instincts of, 279-81, 325 
Bowman, Parker, his cat opening 
swivel of window, 425 
Boys, 0. 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 
Brodie, 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 
Buchner, 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, 1 90 ; carrying 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, 217-1 8 ; intelligence 
of a spider habitually fed by Dr. 
Moschkau,2L8-19; 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, Gr. 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 
Bvfo obstetricans , 254 
Bull, intelligence of, 338 
