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 



