Seite - 540 - in The Origin of Species

INDEX 456- Aberrant groups, 468. Abyssinia, plants of, 423. Acclimatisation, 152. Adoxa, 225. Affinities of extinct species, 377. of organic beings, 467. Agassiz, on Amblyopsis, 152. , on groups of species suddenly appearing, 363. , on prophetic forms, 378. , on embryological succession, 388. . , , on the Glacial period, 412. on embryological characters, on the latest tertiary forms, 350. , on parallelism of embryologi- cal development and geological succession, 489. , Alex., on pedicellarise, 247. Algse of New Zealand, 421. Alligators, males, fighting, 101. Alternate generations, 478. Amblyopsis, blind fish, 152. America, North, productions allied to those of Europe, 416. , , boulders and glaciers of, 418. , South, no modern formations on west coast, 343. Ammonites, sudden extinction of, 372. Anagallis, sterility of, 300. Analogy of variations, 170. Ancylus, 429. Andaman Islands inhabited toad, 435. Animals, not domesticated being variable, 35. , domestic, descended by a from from several stocks, 36. acclimatisation of, 154. Animals of Australia, 126. with thicker fur in cold mates, 146. , blind, in caves, 150. —— extinct, of Australia, 389. Anomma, 294. Antarctic islands, ancient flora 441- Antechinus, 462. Ants attending aphides, 265. , slave-making instinct, 273. , neuters, structure of, 292. cli- of, Apes, not having acquired intel- lectual powers, 234. Aphides, attended by ants, 265. Aphis, development of, 482. Apteryx, 186. Arab horses, 50. Aralo-Caspian Sea, 389. Archeopteryx, 356. Archiac, M. de, on the succession of species, 374. Artichoke, Jerusalem, 154. Ascension, plants of, 432. Asclepias, pollen of, 200. Asparagus, 406. Aspicarpa, 455. Asses, striped, 171. , improved by selection, 55. Ateuchus, 148. Aucapitaine, on land-shells, 439. Audubon, on habits of frigate-bird, 189. on variation in birds' nests. 266. on heron eating seeds, 431. Australia, animals of, 126. , dogs of, 269. , extinct animals of, 388. , European plants in, 420. , glaciers of, 418. Azara, on flies destroying cattle, 86. Azores, flora of, 410. B Babington, Mr., on British plants, 63- Baer, Von, standard of Highness, 135- -, comparison of bee and fish. 386. embryonic similarity of the Vertebrata, 479. Baker, Sir S., on the giraffe, 231. Balancement of growth, 158. Baleen, 237. Barberry, flowers of, iii. Barrande, M., on Silurian colonies, 365- , on the succession of species, 375- -, on parallelism of palxozoic formations, 377. -, on affinities of ancient species. 379. Barriers, importance of, 396. 540