INDEX 
Homing of bees, 131 
Homeeopathic influeice defined, 36 
Honey-pot ant, 215 
House-martin, nest-building of, 112 
Hupson, Mr. W. H., on fear in 
birds, 49, 50, 110; on animal 
gladness, 317 
Hunting play, 254 
Hoxtey, T. H., on reflex action in 
frog, 300; on consciousnezs as 
epiphenomenon, 306 ff.; on con- 
sciousness as product of nervous 
changes, 330 
Hype, Mr., on king crab, 298 
Hydractinia, colonial polype, 206 
I \ 
Ideals, distinguish ethics, 278 
Ideational stage of mental develop- 
ment, 59 
Imitation, 179 ff.; three stages of 
in child, 192 
Impulse io intellizent behaviour, 
60; Prof. Thorndike’s use of the 
term, 186; 
conative process, 235 
Independence of automatic and 
controlling centres, 43 
Infant, congenital responses in, 54 
Influence of intelligence on in- 
stinct, 168 
Inheritance of acquisitiveness, 40 
Innate capacity, 176; likes and 
dislikes, 119 
Insects, instinctive behaviour in, 
71; intelligent behaviour in, 123 
Instinct, broader and narrower view 
of, 99; primary and secondary, 
107,109; influence of, intelligence 
on, 168; priority of, to intelli- 
gence, 173; disintegration of, 175 
Instinctive behaviour defined, 63 ; 
in insects, 71; in birds, 64; con- 
scious aspect of, 98 
Integration and differentiation of 
nerve centres, 167 
Intelligence lapsed, 107; influence 
of, on instinct, 168; of ants, Lord 
Avebury on, 218; biological im- 
portance of, 310 
Intelligent behaviour, 117; evolu- 
tion of, 155 
connection of with | 
341 
Intelligent process distinguished 
from rational, 59, 138 
Intercommunication, 193, 336 
Interest, 243 
Internal factors in instinctive be- 
haviour, 102 
Irritability, fundamental, property 
of protoplasm, 240, 296 
J 
James, Prof. Wm., theory of emo- 
tions, 246, 292 
Jays, bathing of, 89; mode of taking 
food, 94 
JENNER on cuckoo, 92 
Junxnines, Dr. H. 8., on behaviour 
of Paramecia, 5 
K 
Kuerner, Dr., on sun-dew, 26; on 
sensitive Oxalis, 27; on Valis- 
neria, 29 
King-crab, reflex action in, 298 
Kyicut, Andrew, on Norwegian 
ponies, 109 
Krovorgine, Prince, on mutual 
aid among animals, 227 
L 
Lamarckian hypothesis, 169, 170, 
177 
Language, nature of, 195 
Lanxuster, Prof, E. Ray, on small- 
brained mammal, 168 
Lapwing, instinctive behaviour of, 
113 
Law of battle, 313 
Leech, observation on, 159 
Leucopsis, instincts of, 79 
Lewes, G. H., on lapsed intelli- 
gence, 107 
Limpets, observations on, 155 
Linptey, Dr., on children, 141 
Locality, studies by wasps, 128 
Locke, John, limitations of animals, 
166 
M 
Macxenzig, Prof. J. §., on ethics, 
278; on conscience, 281; on 
ambiguity of word“ pleasure,” 285 
