500 



INDEX. 



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 larvae, 

 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, 1 40 ; anatomy 

 and physiology of nerve-centres 

 and sense organs, 1 40-2 



Apes, see Monkeys 



Arachitidce, 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 



Articulata, see under divisions of 



Ass, general intelligence of, 328 and 

 333 



Association of ideas, see under vari- 

 ous animals 



Atenclnts pilularivs, 226 



Athe alium, apparent intelligence of, 

 19-20 



Atkinson, the Eev. 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 



Automatism, hypothesis of animal, 6 



BABOON, sympathy shown by 

 Arabian, 474; rage of, 478; 

 revenge of, 478 



Badcock, on dog making peace- 

 offerings, 452 



EEC 



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, 447 



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, Sir 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. F., 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 leisure, 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 ; bats 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 



