INDEX. 405 



INDEX TO Mr. DARWIN'S POSTHUMOUS ESSAY. 



A. 



Alison, on instinct, 357, 367, 370, 375. 



Amblyrhi/nchus, tameness of, 361. 



Angoumois moth, double instincts of the, 373. 



Antelopes, migrations of, 381. 



Ants, ceasing to move eggs when heat is supplied to them, 368 ; instincts of 



white, 376. 

 Artamus tordidus, variations in nest-building instincts of, 372. 

 Audubon, on nidilication of Gulls, 36'J, and of Sterna minuta, 372. 



B. 



Bachman, on migrations of the bison and Canada geese, 356 ; on migrations 

 of squirrels, 380. 



Banks, Sir J., an changed instincts of a spider, 373. 



Barrington, Hon. Daines, on wildness of large birds, 362. 



Beaver, habitations of the, 372. 



Bccli-toin, on migratory and non-migratory thrushes, 355; on variations in 

 the singing of nightingales, 371. 



Bees, instincts of, in making queens, 376; in ventilating hives, 378-9; mis- 

 taken instincts of, 352-3 ; variation in instinct of, 372-3 ; pillaging each 

 other, 375. 



Bir Is, migratory habits of, 855-8 ; tameness of, in islands unfrequented by 

 man, 360-63; nidilh atioii of, 3<>l-72; variation of iustiuct in, 37-1; 

 instincts of Bin ill in mobbing hawks, 382. 



Bison, migrations of the, 855, 881. 



liizeacha, instincts of the, 37'.*. 



Blackbirds, nidilication of a puir of, 371. 



Blackwal), on nidilication, 371; on magpies not imitating sounds when in a 



stuto of nature, 874 5 ; on nidilication of a yellow bunting, 371. 

 Blyth, on mst nuts of removing mutings, &.C., from nests, 37'J ; on the wild lieu 



cackling over her eggs, 88L 

 B onot, on double instincts, 878-4] on instincts of tints, 368. 



• .ii, on nidiflcation, 3t*>'.». 



li.uirgoanne, on migratory instinct of sheep in Spain, 358. 



Brent migratory impulse of a worn out, 856. 



Brougham, Lord, on instincts of chickens, 371. 



Bruce, on instinon of tho Bee-OUOkoo, 888 j on instincts of the Abyssinian 



pigeon, ^7'.>. 



Boob, ron, 09 animals dying in the Solfortara of Java, 380. 



Buffalo, migT it »n "f the, 868 

 Burrowing tind of, M~. 



Butcher-bird, nidi . Of the, I 



