INDEX. 399 



Paralysis analogous to unconsciousness, 44. 



Parental affection in animals, 344. 



Parrot, intelligence of the, related to organs of touch, 57 ; sense of touch in 

 the, 92 ; association of ideas in the, 124 ; dreaming and talking in sleep, 

 149 ; mistaken instinct of the Australian, 167 ; imitating other birds, 

 talking, and singing, 223 ; carnivorous tastes developed by the Mountain, 

 248 ; changed instincts of the G-roimd, 254 ; learning to open a lock, 351. 



Partridge, conveying young, 211; not using voice when flushed in Ireland, 

 245 ; instinct of the, in feigning injury, 317. 



Passu, aquatic habits of, 253. 



Pea-fowl, 213-14. 



Peccari, attachment of a, to a dog, 184. 



Perception, 125-41 ; definition of, 125-6 ; evolution of, 127-9 ; as cogni- 

 tion, 127 ; as recognition, 127-8 ; as grouping of previous perceptions, 

 128 ; as involving inference, 128, and memory, 129 ; as afPected by 

 heredity, 130-1 ; in Mammals, Birds, Keptiles, and Invertebrata, 131 ; 

 physiology of, 132-41 ; time -relations of, 132-9 ; relation of, to reflex 

 action, 139-41 ; as stimulus to instinctive action, 159-60 ; illusions of, 

 321-2 ; relation of, to reason, 319-26. 



Petrel, changed instincts of the, 254. 



Pewit. See Lapwing. Flycatcher, variation of instinct of the, 210, 246. 



Pheasant, crowing of the cock, 176, 280 ; wildness of hybrid between the, 

 and fowl, 199. 



Pig, instincts of young, 164 ; becoming omnivorous, 247 ; homing faculty 

 of the, 290. 



Pigeon, insane, 173-4 ; tumbler, 188-9 ; Abyssinian, 189 ; pouter, 189 ; in- 

 stinctive fear of the, of cats, lost under domestication, 232 ; migration of 

 the passenger, 281. 



Pike, W., on an eagle teaching a goose to eat flesh, 227. 



Pining in animals, proof of imagination, 151-2. 



Pitch, musical, appreciated by birds, 91 ; by Kylohates agilis, 93 ; and by 

 dogs, 94. 



Play, 341, 345. 



Pleasures, 105-11. 



PleiironectidcB, sense of colour in, 98. 



Pliny on instincts of the capon, 171. 



Plover. See Ring-plover and Lapwing. 



Pointer. See Dog. 



Polecat, instinct of the, in paralyzing frogs, 303. 



Pollock, Walter, on sense of smell in actiniae, 83 ; on association of ideas in 

 a parrot, 124 ; on delusions in a dog, 150. 



Pope on instinct and reason, 266. 



Potts, I. H., on carnivorous tastes developed by parrots, 248. 



Pouchet, on relation between instinct and reason, 339 ; on colour-sense of 

 fish, 98 ; on nidification of swallows, 211. 



Pre-perception, state of, 139. 



Preyer, Professor, on evolution of colour-sense, 101-4 ; on infants prefen'ing 

 sweet tastes, 114, and remembering taste of milk, 115 ; on instinct of 

 chickens, 116-17 ; on rapidity of perception acquired by training, 138 ; 

 on infant learning to balance the head, &c., 175-6 ; on imitative move- 

 ments and dreaming shown bv the infant, 225 ; on kataplexy of animals, 

 308-11 ; on emotions of the'iufant, 342, 344. 



Prichard, on a puppy reared bv a cat, 217, 224. 



Pride, 341, 345. 



Progeny, yearning for, 212-13. 



