INDEX. 401 



earlii^t u^r at which nn infant is able to associate ideas, 120-1 ; on 

 inability of hermit-crab to associate simple ideas, 122-3; on time-rela- 

 tioilB ia perception, 13G-7; on sense of mysterious in, and appreci ition 

 of cause by dogs, 165-8; on instinctive antipathy of young rabbits to 

 ferrets, 1 f> 4—5 ; on handwriting, 191; on incubatory instincts, 213-14; 

 on animals d\ ing of terror, 307 -8 ; ou instincts and emotions of the pro- 

 ceesional caterpillar, 312-3 



Rooks, associating with starlings, 185. 



luisa, ISaptista, on instincts of tlie capon, 171. 



Runs, Sir J., on dogs learning how to attack wild cattle, 221. 



Boutin, on cats rot howling in South America, 250. 



Routh, Dr., on a puppy learning to imitate a cat, 221. 



B >y, Le, on imagination of wild animals, 146-7; on mental characters of a 

 dog of wild parentage, 198 ; on the migration of birds, 289. 



Saint-IIilaire, Geoffrey, on intelligence of an orang-outang, 328. 



Salmon. See Fish. 



Satiety, sense of, 95. 



Savages, sense of direction in, 289, 291 ; tendency to imitation shown by, 

 225. 



Schifer, Professor E. A., on nervous system of Aurelia aurita, 69. 



B -Imeider, on sense of vision in Serpulee, 86. 



Scorpion, alleged instinct of the, to commit suicide, 278. 



Sebright, Sir J., on natural wildncss and taineness of rabbits and ducks, 

 196 j on instincts of an Australian puppy, 232 ; on love of man as in- 

 stinctive in domestic dogs, 23:*. 



Beebohm, on migration of birds, 2S9. 



Bi "in i hudtonitu, elm it •_'*■ of instincts in, 218. 



S ii.- a. on dreaming in dogs, 148. 



Benaation, as compound, 40-1; physiological aspect of, 51-2; deGned, 78; 



survey of, in animal kingdom, 80 95; of temperature, 95-8 ; of colour, 



9£ LOS j as distinguished Erom perception, 125-6; as stimulus to reflex 

 action, 159 60. 

 Sense, muscular, '.>■"> \ of hunger, thirst, and satiety, 95 ; of temperature, 96-8 ; 

 of colour, 98 104 



Per], cut. 8tt Kept lies. 



8t rjmla , a dm of i iaion in, 86. 



s, t ter. 8ee l 



Sexual affection and selection, 311, 31k 



Shame, in animal-, 641, :i 17. 



Shaw, J., on stupidity of dogs in China and Polynesian Islands, 2:!3. 



sp, learning to aroid poisonous berbs, 22I-, 227; changed instincts of 



under domestication, 232; killed bj parrots, -is ; sense of direction in, 



290. 

 Sheep-dog. 8m Dog. 



Bhrew-mouse of South Africa, Injurious instinct of the. 169 and 2*0. 

 Bhuttleworth, M isi < . on mistaken instinct of bees and wasps, l<>7. 

 Sight, sense of in Protista) si ; in liedus b, Bl - ; in Bohinodermata, 84 1 of 



simple and compound eree, si-.'. ; of Worms, s "> 8 ; "f Fish, 89 1 of 



Amphibia and Beptiles, 90-1 ; of Birds, 91 i ol Kiammala, 98] reaction' 



tune of, 188 1 in joung animals, 161 L 



mund, "ii infants n membering the ta-to of milk, 1 1 1 



