INDEX 



A. 



Acacia, wide range of in Australia, 185 



Acacia heterophylla, and Acacia koa, 443 



AcEena in California, 527 



Accipiter ha^vaii, 31-4 



Achatinellin^, average range of, 317 



jEgialitis sanctce-helfuce, 305 



Africa, characteristic mammalia of, 416 

 former isolation of, 41S 



Africa and Madagascar, relations of, 418 

 early history of, 419 



African highlands as aiding the migration 

 of plants, 524 



African rei^ tiles absent from Madagascar, 

 418 



Aggressive power of the Scandinavian flora, 

 511 



Air and water, properties of, in relation to 

 climate, 131 



Alectoramas pjilcherrimus, 429 



Allen, Mr. J. A., on variation, 58 



Allied species occupy separate areas, 478 



Alpine plants, their advantages as colo- 

 nisers, 503 



Alternations of climate in Switzerland and 

 North America, 121 



Alternations of climate, palaeontological 

 evidence of, 119 



Amazon, limitation of species by, IS 



Aviblyrhynchus cristatiis, 279 



American genera of reptiles in Madagascar, 

 417 



Amphibia, dispersal of, 7G 

 of the Seychelles, 432 

 introduced, of Mauritius, 435 

 of New Zealand, 483 



Amphinxus, 63 



Amphisbajnidse, 28 



Amydrus Tristramii, restricted range of, 16 



Anas WyvilUana, 314 



Ancient continental islands, 244, 411 



Ancient glacial epochs, 169 



what evidence of may be expected, 175 



Ancient groups in Madagascar, 419 



Andersson, N. J., on the flora of the Gala- 

 pagos, 287 



Andes, migration of plants along the, 520 



AngrcBcum sesquipedale, 440 



Animal life, effects of glacial epoch on, 117 

 Animal life of Formosa, 401 

 Anoa depressicornis, 456 

 Antarctic continent as a means of plant- 

 dispersion, 521 

 xVntarctic islands, with perpetual snow, 136 

 Antelopes, overlapping genera of, 29 

 Antiquity of Hawaiian fauna and flora, 328 



of land- shells, 79 



of New Zealand, 526 



of plants as affecting their dis- 

 persal, 82 

 Apera arundinacea, 503 

 Apium graveolens in New Zealand, 515 

 Apteryx, species of, 476 

 Arabis hirsuta on railway arch, 514 

 Archaic forms still existing, 229 

 Arctic and Antarctic regions, contrasts of, 



135 

 Arctic current, effects of a stoppage of, 



150 

 Arctic plants in the southern hemisphere, 



509 

 Arctic regions, mild climates of, 181 



recent interglacial mild period in, 182 

 Arctic warm climates of Secondary and 



Palaeozoic times, 201 

 Areas of distribution, 13 



separate and overlapping, 17, 28 

 Ascension, former climate and productions 



of, 303 

 Astronomical and geographical causes, 



comparative effects of, on climate, 



207 

 Astronomical causes of change of climate, 



126 

 of glaciation, 140 

 Atlantic isles, peculiar mosses of, 368 

 Atlantosaurus, the largest land-animal, 



93 

 Atriplex patula on a railway bank, 515 

 Auchenia, 27 

 Austen, Mr. Godwin, on littoral shells in 



deep water, 337 

 Australia, two sets of Northern plants in, 



523 

 South European plants in, 523 

 Australia and South Africa, supposed 



connection of, 525 



