PND Bix 
Aspot, C., on the Chipmunk, 57 
Advances, intellectual, how made, 22 
American Naturalist, account re 
feigning, 69 
Audubon, on the Red Squirrel, 69 
BACHMANN, on the Red Squirrel, 57 
Baldwin, J. M., on instinct, 285, 287, 
289 
—— on social heredity, ete., 290, 291 
Beaver, power of adaptation in, 41 
Bedlington terrier puppies, diary of, 
144 
Beethoven in music, 41 
Bell, R., on the Chickaree, 75 
—— on the Mink, 78 
Bishop, J. P., on hibernation, 79 
Boy, views as to dog’s thoughts, etc., 3 
Breed, its influence, 34 
Butler, A. W., on hibernation, 79 
Bumpus, H. C., on instinct and 
education in birds, 293, e¢ seq. 
Cat, neglect of study of, 39 
Cataplexy, hypnotism, etc., views on, 
66, 67, 70 
Caution in interpretation, 19, 27 
Cavy (or Guinea-pig), the young, at 
birth, 2 
— contrast between, dog and cat, 
244 
— conclusions, general, in regard 
to rabbit and, 245, 246 
— development of senses in, 244 
— diary of, 244-45 
—— ears, at birth in, 241 
—— eating in, 242 
—— eyes, condition at birth, 241 
Cavy, locomotion in, 241, 242 
Preyer on, 245 
—— progress in, 242, 243 
—— rabbit, compared with, 244, 245 
—— remarks on diary of, 244, 245 
—— smell in, 241, 244 
—— teeth in, 241 
—— taste in, 241, 242, 244 
—— voice in, 242 
—— wiping the face by, 242 
Cerebral cortex, functional develop- 
ment of, in, 264 
—— general conclusions regarding, 
264 
Chick, the diary of, 258, et seg. 
colour of feathers in, 261 
drinking by, 260 
—— feathering in, 261 
—— hearing in, 259, 260 
—— individual differences in, 262 
instinctive fear in, 259, 261, 
262 
—— method of eating meat, 260 
—— mother, influence of, on 260 
—— pecking at objects by, 258, 259, 
260 
—— Preyer on, 261 
—— remarks on diary of, 261, e¢ seg. 
—— scratching by, 260 
—— sense of support in, 262 
——some conclusions regarding, 
262, 263 
—— Spalding, D., on, 261 
— swallowing by, 258, 260 
—- taste in, 259 
—— vision in, 259 
— warmth, effect of, on, 259, 262 
—— wiping, reflex in, 259 
—— wiping beak by, 260 ae 
