INDEX 



Acacia, wide range of in Australia, 185 



Acacia heterophylXa, and Acacia koa, 443 



Acaena in California, 527 



Accipiter hawaii, 314 



Achatinellinse, average range of, 317 



JEgialitis sanctce-helence, 305 



Africa, characteristic mammalia of, 416 

 former isolation of, 418 



Africa and Madagascar, relations of, 418 

 early history of, 419 



African highlands as aiding the migra- 

 tion of plants, 524 



African reptiles absent from Madagascar, 

 418 



Aggressive power of the Scandinavian 

 flora, 511 



Air and water, properties of in relation 

 to climate, 131 



Alectorcenas pulcherrimus, 430 



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, palseontological 

 evidence of, 119 



Amazon, limitation of species by, 18 



Amblyvhynchus cristaius, 279 



American genera of reptiles in Mada- 

 gascar, 418 



Amphibia, dispersal of, 76 

 of the Seychelles, 430 

 introduced, of Mauritius, 435 

 of New Zealand, 483 



Amphioxus, 63 



Amphisbsenidae, 28 



Amydrus Tristramii, restricted range of, 

 16 



Anas Wyvilliana, 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 

 Galapagos, 288 



Andes, migration of plants along the, 520 



Angrctcum sesquipedale, 440 



Animal life, effects of glacial epoch on, 



117 

 Animal life of Formosa, 401 

 Anoa depressi ornis, 455a 

 Antarctic continent as a means of plant- 

 dispersion, 521 

 Antarctic 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 afifecting their dispersal, 



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 produc- 

 tions 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, 



98 

 Atriplex patula on a railway bank, 515 

 Auchenia, 27 

 Austen, Mr. Godwin, on littoral shells in 



deep water, 337 



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