INDT>j^^ 



509 



HU' 



JEN 



Humboldt., on instincts of youn^ 



turtles, 257 , , -^' '' 



■Humming-birds, aestheti^ instincts 



of, 281 

 Hutchingb, 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 bear, 351, 352 

 Hutton, Mrs., on ants burying their 



dead, 91, 92 

 Hydrargyra, 248 

 Jlymenojjtera, see Ants and Bees 



IBEX, 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, 68; to nur- 

 sing, 58 ; to education, 69, 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, 89-9S ; 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, 144-61 ; to 



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, 242-63 ; 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, 364-9 ; 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, 471 



JACKAL, 426; collective instinct 

 in hunting, 432-35 



Jackdaw, gesticulating signs made 

 by, 316 ; congregation for court 

 held by, 324 



Jacob, Sir G. 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; of 

 dogs, 442, 443 ; of monkey, 493 



Jenkins, H. L., on formation of 

 abstract ideas by elephants, 401, 

 402 



Jenner, on instinct of young cuckoo, 

 301-4 



