INDEX 



Abraxas grossulariata, 94 



Acquired characters, transmission of, 16, 

 22, 33, 90, 118, 139, 179, 180, 428, 429 



Acraea johnstoni, 290 



Adaptation, 19, 21, 26, 33-35, 45, 61-65, 

 99, 100, 272-275 



Adloff, 133 



Adlumia cirrhosa, 388 



Agassiz, A., 369, 370 



Agassiz, L., 171, 174 



Alexander, 461 



Allen, C. A., HO 2 



Alternation of generations, 106, 107, 217 



Ameghino, 131, 132, 136 



Ammon, 0., Works of, 470 



Ammonites, Descent of, 197, 198 



Amphidesmus analis, 286 



Anaea divina, 53 



Andrews, C. W., 194 1 



Angiosperms, evolution of, 205-212, 313- 

 316 



Anglicus, Bartholomaeus, 487 



Ankyroderma, 31 



Anomma, 35 



Antedon rosacea, 249 



Antennularia antennina, 262, 263 



Anthropops, 127 



Ants, modifications of, 34-36, 39 



Arber, E. A. N., 213, 214 



and J. Parkin, on the origin of Angio- 

 sperms, 221 



Archaeopteryx, 196 



Arctic regions, velocity of development of 

 life in, 257 



Ardigo, 453, 454 



Argelander, 556, 560 



Argyll, Huxley and the Duke of, 488 



Aristotle, 5, 487, 490 



Arrhenius, 249 



Asterias, Loeb on hybridisation of, 249 



Autogamy, 415 



Avena fatua, 78 



Avenarius, 456 



Bacon, on mutability of species, 5, 6 

 Baehr, von, on Cytology, 94 

 Baer, law of von, 175 



Bain, 444 



Baldwin, J. M., 41, 428 3 

 Balfour, A. J., 490, 566 

 Ball, J., 316 1 



Barber, Mrs M. E., on Papilio nireus, 280 

 Barclay, W., 524 1 

 Barratt, 461 

 Bary, de, 226 



Bates, H. W., on Mimicry, 54, 58, 275, 

 276, 286, 287, 290 



Letters from Darwin to, 287, 288, 296 



- 484 

 Bateson, A., 421 



BATESON, W., on Heredity and Variation 

 in Modern lights, 85-101 



- on discontinuous evolution, 23, 238 



on hybridisation, 242 



Bateson, W. and R. P. Gregory, 41 1 1 

 Bathmism, 13 

 Beche, de la, 361, 362 

 Beck, P., 498, 501, 509, 510 

 Becquerel, H., 569 



Beebe, C. W., on the plumage of birds, 280, 

 281 



on sexual selection, 297 

 Beguyer de Chancourtois, 566 



Bell's (Sir Charles) Anatomy of Expression, 



432 



Belopolsky, 560 

 Belt, T., on Mimicry, 293 

 Beneden, E. van, 103 s 

 Benson, M., 219 2 , 220 

 Bentham, G., on Darwin's species-theory, 



307 



on geographical distribution, 298, 309 

 Bentham, Jeremy, 461 



Bergson, H., 454, 498, 505 2 , 507* 



Berkeley, 448 



Berthelot, 480 



Betham, Sir W., 514 



Bickford, E., experiments on degeneration 



by, 40 



Bignonia capreolata, 390 

 Biophores, 36, 37 

 Birds, geological history of, 196 

 Blanford, W. T., 322, 377 

 Blaringhem, on wounding, 237, 244 



