INDEX 



Aberrant groups, 386. 



Abyssinia, plants of, 336. 



Acclimatisation, 126. 



Affinities of extinct species, 295. 



of organic beings, 370. 



Agassiz on Amblyopsis, 126. 



on groups of species suddenly 



appearing, 271, 273. 



on embryological succession, 



303. 



on the glacial period, 328. 



on embryological characters, 



377. 



on the embryos of vertebrata, 



394. 



on parallelism of embryo- 

 logical development and geo- 

 logical succession, 404. 



Algae of New Zealand, 337. 



Alligators, males, fighting, 80. 



Amblyopsis, blind fish, 126. 



America, North, productions allied 

 to those of Europe, 334. 



boulders and glaciers of, 



335. 



South, no modern formations 



on west coast, 260. 

 Ammonites, sudden extinction of, 



288. 

 Anagallis, sterility of, 222. 

 Analogy of variations, 144. 

 Ancylus, 346. 

 Animals, not domesticated from 



being variable, 16. 

 domestic, descended from 



several stocks, 17. 



acclimatisation of, 128. 



— of Australia, 105. 



— with thicker fur 

 climates, 121. 



— blind, in caves, 124. 



in cold 



Animals, extinct, of Australia, 304. 



Anoinma, 216. 



Antarctic islands, ancient flora of, 



359. 

 Antirrhinum, 146. 

 Ants attending aphides, 189. 



slave-making instinct, 196. 



neuter, structure of, 212. 



Aphides, attended by ants, 189. 

 Aphis, development of, 397. 

 Apteryx, 164. 

 Arab horses, 33. 

 Aralo-Caspian Sea, 304. 

 Archiac, M. de, on the succession 



of species, 291. 

 Artichoke, Jerusalem, 129. 

 Ascension, plants of, 350. 

 Asclepias, pollen of, 174. 

 Asparagus, 323. 

 Aspicarpa, 376. 

 Asses, striped, 147. 

 Ateuchus, 123. 

 Audubon on habits of frigate-bird, 



166. 

 on variation in birds'-nests, 



190. 



on heron eating seeds, 348. 



Australia, animals of, 105. 



dogs of, 193. 



extinct animals of, 304. 



European plants in, 331. 



Azara on flies destroying cattle, 67. 

 Azores, flora of, 326. 



Babington, Mr., on British plants, 



45. 

 Balancement of growth, 133. 

 Bamboo with hooks, 177. 

 Barberry, flowers of, 89. 

 Barrande, M., on Silurian colonies, 



281. 



443 



