INDEX. 



ABEERANT. 



BALANCEMENT. 



A. 



ABBEBAifT groups, ii. 227. 



Abyssinia, plants of, ii. 167. 



Acclimatisation, i. 173. 



Adoxa, i. 270. 



Affinities of extinct species, ii. 106. 



of organic beings, ii. 225. 



Agassiz, on Amblyopsis, i. 173. 



, on groups of species suddenly 



appearing, li. 88. 



, on prophetic forms, ii. 107. 



, on embryological succession, 



iL120. 



, on the Glacial period, ii. 151. 



, on embryological characters, 



ii. 210. 



, on the latest tertiary forms, ii. 



71. 



, on parallelism of embryologi- 

 cal development and geojogical 

 succession, iL 254. 



, Alex., on pedicellaris, i. 298. 



Algae of New Zealand, ii. 164. 



Alligators, male.s, fighting, i. 108. 



Alternate generations, ii. 239. 



Amblyopsis, blind fish, i. 173. 



America, North, productions allied 

 to those of Europe, iL 156. 



, , bouldeiB and glaciers of, 



ii. 159. 



, South, no modem formations 



on west coast, iL 61. 



Ammonites, sudden extinction of, 

 ii. 99. 



Anagallis, sterility of, ii. 4. 



Analogy of variations, L 197. 



AnoyluB, iL 174.- 



Andaman Islands inhabited by a 

 toad, ii. 182. , - 



Animals, not domesticated from 

 being variable, L 19. 



•, domestic, descended from seve- 

 ral stocks, L'21. 



, , acolimatisation of, L 175. 



of Australia, L 140. 



with thicker fur in cold cli- 

 mates, L 166. 



, blind, in caves, i. 172. 



, extinct, of Australia, iL 121. 



Anomma, L 361. 

 46 



Antarctic islands, ancient flora of, 

 iL190. 



Antechinus, ii. 219. 



Ants attending aphides, i. 323. 



-. — , slave-inaking instinct, L 336. 



, neuters, structure of, L 359. 



Apes, not having acquired intel- 

 lectual powers, 1. 282. 



Aphides, attended by ants, i. 323. 



Aphis, development of, iL 245. 



Apteryx, L 218. 



Arab horses, L 40. 



Aralo-Caspian Sea, ii. 121. 



Aroheopteryx, iL 80. 



Arohiac, M. de, on the succession of 

 species, iL 103. 



Artichoke, Jerusaleni, L 176. 



Ascension, plants of, iL 178. 



Asclepias, pollen of, L 236. 



Asparagus, ii. 143. 



Aspicarpa, iL 209. 



Asses, striped, L 198. 



, improved by selection, L 48. 



AteuchuB, i. 168. 



Aucapitaine, on land-shells, iL 187- 



Audubon, on habits of frigate-bird, 

 L 222. 



, on variation in birds' nests, i. 



324. 



, on heron eating seeds, iL 176. 



Australia, animals o^ L 140. 



, dogs of, i. 328. 



, extinct animals of, ii. 121. 



, European plants in, ii. 163. 



, glaciers of, ii. 159. 



Azara, on files destroying cattle, L 

 89. 



Azores, flora of, iL 149. 



B. 



Babington, Mr., on British plants, 



L 58. 

 Baer, Von, standard of Highness, L 



151. 

 , comparison of bee and fish, iL 



118. 

 , embryonic similarity of the 



Vertebrata, ii. 241. 

 Baker, Sir S., on the girafie. L 278. 

 Balancement of growth, i. 182. 



333 



