304 
Lucas, F. A., on pecking in pheasants, 
etc., 283, 285 
MAN, a law unto himself, etc., 14 
Man’s superiority ; its basis, 26, 39 
M‘Eachran, D., intelligence in horses, 
73 
—— paper by, on a dog, 33 
Mental life in the mass of mankind, 
10 
Metcalf, ——, on dogs, 36 
Migration, the explanation of, 30 
Millar, F,, on imprisoned swine, 87 
— ona pig, 40 
— on a dog, 35 
—— J., ona Scotch Collie, 36 
Mind in animals, its nature, 17 
Minot, C. 8., on Comparative Psy- 
chology, Preface, p. vi. 
Monkey, study of the, 42 
—— and dog compared, 8 
Moral nature in animals, 21 
Morgan, C. Lloyd, discussion of his 
views on Instinct, 277, et seq. 
letter on ‘‘The Habit of Drink- 
ing in Young Birds,” 292, 293 
mental attitude of young birds, 49 
—— on young pheasants, 262 
Motives complex, 11 
NEWTON and space perception, 14 
OWL-PIGEON, 259, 261 
PACKARD, on origin of the dog, 37 
Parallelism in thinking of child and 
dog, 13 
Pease, ——, on black-and-tan bitch, 
39 
People, some hard to understand, 4 
Pig, neglect of the study of the, 40 
trained, 40 
Pigeons, the young— 
colour of feathers in, 251 
—— —— iris in, 251 
— conclusions, general, regarding, 
227, 258 
condition when hatched out, 250 
— conditions under which kept, 
246, 247 
— diary of, 247, e¢ seq. 
Dragoon (pure bred), diary of, 
250, et seq. 
ears, condition of, 252 
—— effect of stroking, 254 
—— warmth and cold on, 248, 
254 
Environment, effects of, on, 249 
—— eyes, condition of, 250, 252 
when hatched, 247 
INDEX 
Pigeons, the young, feathering in, 
249, 250, 251, 253 
—— flying by, 251-253 
— growth in, 252, 253 
—— herring in, 248, 250, 255, 256 
—— homing tendency in, 249 
—— iris, colour of, 258, 257 
—— movements, general, 249 
—— —— of beak, 250 
— of head, 250 
—— —— of wings, 248, 251, 252 
— reflex, 252 
—— —— in walking, 249 
—— in flying, 250 
Owl (pure-bred), pigeon, 259, 261 
— pecking by, 252, 253 
—— —— at an intruder by, 250, 251 
—— —— snapping, etc., in, 255 
—— positions of, 256 
—— psychic and physical develop- 
ment in, 256, 257 
—— progress by, 255 
—— pupillary reflex in, 255 
—— pugnacity in, 252, 253 
—— reflex movements in, 252 
remarks on the diary of, 253, e¢ 
seq 
- pesomblence. and differences in, 
5 
—— sense of support in, 248, 250 
— sitting in, 252 
—— short-faced tumbler (pure-bred), 
diary of, 252, e¢ seq. 
snapping with beak of, 249, 250 
—— soliciting food, 249 
—— standing, 252, 253 
—— tactile sensibility in, 247, 249, 
252, 254 
— taste and smell in, 254 
—— vision in, 253, 255, 256 
voice in, 253, 255, 256 
winking by, 252 
reflex in, 248, 255 
Prentiss, D. W., discussion of pheno- 
mena observed by Czermak, etc., 
65, 70 
President of American Psychological 
Association, views of, on psycho- 
logy, 48 
Preyer, ——, on shamming death, 68 
— on chicks, 261 
Problems, 37 
Psychic development and physical 
correlation, 267, et seq. 
of young animals, 113, e¢ seq. 
bearing of other studies on, 113 
Psychologists’ attitude towards the 
subject of Animal Intelligence, 9 
Psychology, in colleges, etc., 48 
its tendencies, 48 
