INDEX 



Aberraxt groups, ii. 236 



Abyssinia, plants of, ii. 175 



Acclimatization, 1. 199 



Adoxa. i. 296 



AflSnilies of extinct species, ii. 116 



of organic beings, ii, 235 



Agassiz, on Arablyopsis, i. 199 

 , on the latest tertiary forms, ii. 



77 

 , on groups of species suddenly 



appearing, ii. 94 



, on prophetic forms, ii. 114 



, on embryological succession, ii. 



127 



, on the Glacial period, ii. 159 



, on embryological characters, ii. 



219 

 , on parallelism of embryological 



development and geological succes- 

 sion, ii. 263 

 — — , Alex., on pedicellariae, i. 324 

 AJgse of New Zealand, ii. 172 

 Alligators, males, fighting, i. 131 

 Alternate generations, ii. 248 

 Amblyopsis, blind fish, i. 199 

 America, North, productions allied to 



those of Europe, ii. 165 

 , , bowlders and glaciers of, 



ii. 167-168 

 , South, on modern formations on 



west coast, ii. 67 

 Ammonites, sudden extinction of, ii. 



107 

 Anagallis, sterility of, ii. 9 

 Analoev of varintions, i. 223 



Ancylus, ii. 183 



Andaman Islands inhabited by a toad, 



ii. 191 

 Animals, not domesticated from being 



variable, i. 43 

 , domestic, descended from sev- 

 eral stocks, i. 45 



, , acclimatization of, i. 201 



of Australia, i. 164 



with thicker fur in cold chmates, 



i. 192 



, blind, in caves, i. 196-199 



, extinct, of Australia, ii. 128 



Anomma, i. 389 



Antarctic islands, ancient flora of, ii. 



199 

 Antechinus, ii. 228 

 Ants attending aphides, i. 350 



, slave-making instinct, i. 364 



, neuters, structure of, i. 387 



Apes, not having acquired intellectual 



powers, i. 309 

 Aphides, attended by ants, i. 350 

 Aphis, development of, ii. 264 

 Apteryx, i. 244 

 Arab horses, i. 64 

 Aralo-Caspian Sea, ii. 129 

 Archeopteryx, ii. 86 

 Archiac, M. de, on the succession of 



species, ii. 110 

 Artichoke, Jerusalem, i. 202 

 Ascension, plants of, ii. 187 

 Asclepias, pollen of, i. 262 

 Asparagus, ii. 151 

 Aspicarpa, ii. 218 

 Asses, striped, i. 224 



