INDEX 
509 
HUM 
Humboldt, on instincts of young 
turtles, 257 
Humming-birds, aesthetic instincts 
of, 281 
Hutchings, J., on intelligence of a 
cat, 417 
Hutchinson, on alleged tendency 
of scorpion to commit suicide, 
225 
Hutchinson, Col., on reasoning power 
of a dog. 463, 464 
Hutchinson, Dr. H. F., on wolf- 
spider stalking own image in 
mirror, 213 
Hutchinson, S. J., on intelligence of 
polar Dear, 351, 352 
Hutt-on, Mrs., on ants burying their 
dead, 91, 92 
Hydrargyra, 248 
Hymenojjtera, see Ants and Bees 
I BEX, does assisting wounded 
buck to escape, 334 
Idealism, cannot be refuted by ar- 
gument, 6 
Ideas, see Association 
Imitation, shown by talking birds, 
monkeys, and idiots, 477, 478 
Instinct, defined and distinguished 
from reason and reflex action, 
10-17 ; of medusae, 23 ; of worms, 
24 ; of mollusca, 25 ; of ants with 
reference to colour, 32, 33 ; to 
smell, 33-7 ; to sense of direction, 
37-9 ; to recognising friends, 41- 
5 ; to swarming, 57, 58 ; to nur- 
sing, 58 ; to education, 59, 60 ; to 
keeping aphides, 60-4 ; to making 
slaves, 64-8 ; to wars, 68-83 ; to 
keeping pets, 83, 84 ; to sleep and 
cleanliness, 84-7 ; to play and 
leisure. 87-9 ; to treatment of 
dead, 89-93 ; of leaf-cutting spe- 
cies, 93-6 ; of harvesting species, 
97-110 ; of tree-inhabiting spe- 
cies, 110, 111 ; of honey- making 
species, 111-14; of ecitons, 114- 
22 ; of driver and marching- 
species, 121- 2 ; of bees and wasps, 
with reference to colour, 143-4 ; 
to sense of direction, 144-51 ; to 
JEN 
food- collecting and wax-making, 
160-2 ; to propagation, 162-8 ; of 
queens, 162-5 ; of killing drones, 
165-8 ; with reference to wars, 
169, 170; to architecture, 170- 
80; of sphex-wasp, 180, 181: of 
termites, 198-203 ; of spiders, 
204-18 ; of scorpion, 222-5 ; of 
beetles, 226-9 ; of earwig, 229, 
230 ; of flies, 230, 231 ; of Crus- 
tacea, 231, 232 ; of larvas, 234- 
40 ; of fish, 242-53 ; of batra- 
chians, 254 ; of reptiles, 256-9 ; 
of birds, with reference to pro- 
curing food, 283-7 ; to incuba- 
tion, 287-91 ; to nidification, 
291-301; of cuckoo, 301-10; of 
marsupials, 320 ; of whale, 327 ; 
of ruminants, 335 ; of swine. 339 ; 
of bats, 341 ; of seals, 341-8 ; of 
wolverine, 348-50 ; of rodents, 
353, 354 ; of rabbit, 354-7 ; of 
hare, 354-9 ; of rats, 360 ; of 
mice, 364-5 ; of rat -hare, 365, 
366 ; of beaver, mixed with intel- 
ligence, 367 ; with reference to 
propagation and lodges, 367-71 ; 
to procuring food, 371-3; to 
dams, 373—80 ; to canals. 380-4; 
of cat, 411-12 ; of dog, 437, 438 ; 
of monkey, 47 1 
J ACKAL, 426 ; collective instinct 
in hunting, 432-35 
Jackdaw, gesticulating signs made 
by, 316 ; congregation for court 
held by, 324 
Jacob, Sir GT. Le Grand, on crows 
punishing offender, 324-5 ; ibexes 
assisting wounded mate to es- 
cape, 334 
Japp, on dog spontaneously learn- 
ing use of coin, 452 
Jealousy, of fish, 242; of birds, 
276-7; of horse, 329, 330; o£ 
dogs, 442, 443 ; of monkey, 493 
Jenkins, H. L., on formation of 
abstract ideas by elephants, 401, 
402 
Jenner, on instinct of young cuckoo, 
I 301-4 
