500 
INDEX e 
APE 
tary, 114-122; general intelli- 
gence, 122-142 ; Sir John Lub- 
bock’s experiments on intelligence, 
123-128; intelligence displayed 
in architecture, 128-130 ; in using 
burrows made by elater larvas, 
130; in artificial hives, 130; in 
removing nest from shadow of 
tree, 131 ; in cutting leaves off 
overshadowing tree, 131, 132 ; in 
bending blades of grass while 
cutting them, 132, 133; in co- 
operating to glue leaves together, 
133, 134 ; in getting at food in 
difficult places, 134, 135 ; in making 
bridges, &c., 135-139; in tunnel- 
ling under rails, 140 ; anatomy 
and physiology of nerve-centres 
and sense organs, 140-2 
Apes, see Monkeys 
Araelmidce , 204 225, see Spiders and 
Scorpions 
Arago, his observation regarding 
sense of justice in dog, 443 
Arderon, on taming a dace, 246 
Argyroneta aquatica , 212 
Arn, Capt., on sword- and thresher- 
fish, 252, 253 
Articul ata, see under divisions of 
Ass, general intelligence of, 328 and 
333 
Association of ideas, see under vari- 
ous animals 
Atenchus pilularius, 226 
Atliealium , apparent intelligence of, 
19-20 
Atkinson, the Rev. J. C., on reason- 
ing power of a dog, 458, 459 
Audubon, on ants making beasts of 
burden of bugs, 68 ; plundering 
instincts of white-headed eagle, 
284 ; variations in instinct of in- 
cubation, 299, 300 
Auk, nidification of, 292 
A utomatism, hypothesis of animal, 6 
B ABOON, sympathy shown by 
Arabian, 474; rage of, 478; 
revenge of, 478 
Badcock, on dog making peace- 
offerings, 452 
BEC 
Baer, Van, on organisation of bee» 
241 
Bailey, Professor W. W., on dog stop- 
ping a runaway horse, 459 
Baines, A. H., on dog communicating 
wants by signs, 446, 44-7 
Baker, on sticklebacks, 245 
Baldamus, Dr., on cuckoo laying 
eggs coloured in imitation of those 
of the birds in whose nests they 
lay them, 307 
Ball, Dr. Robert, on commensalism 
of crab and anemone, 234 
Banks, iSir Joseph, on intelligence 
of tree-ants, 133 ; fish coming to 
sound of bell, 250 
Bannister, Dr., on cat trying to 
catch image behind mirror, 415, 
416 ; on intelligence of the Eskimo 
dogs, 461, 462 
Barrett, W. E., on instincts of young 
alligator, 256 
Barton, Dr., on alleged fascination 
by snakes, 264 
Bastian, on termites, 198 
Bates, on ants’ habit of keeping 
pets, 84 ; cleaning one another, 
87 ; play and leLure, 88, 89 ; leaf- 
cutting, 93-95 ; tunnelling, 99 ; 
ecitons, 114-21; on sand-wasp 
taking bearings to remember pre- 
cise locality. 150 ; mygale eating 
humming-birds, 208 ; on nidifica- 
tion of small crustacean, 232, 233; 
habits of turtles, and alligators, 
257, 258 ; intelligence of vultures, 
314 ; ba f s sucking blood, 341 
Batrachians, 254, 255 
Bats, 341 
Baya-bird, nidification of, 294 
Bears, 350-352 
Beattie, Dr., on dog communicating 
desires by signs, 447 : 
Beaver, 367-85; breeding habits, 
367, 368 ; lodges, 368—73 ; dams, 
373-79 ; canals, 379-83 ; gene- 
ral remarks upon, 368, 377, 379, 
383 ; age of their buildings, 384 ; 
effects of their buildings on the 
configuration of landscapes, 384, 
385 
Bechstein, on birds dreaming, 312 
