INDEX 



A. 



Acacia, wide range of in Australia, 185 



Acacia heterophylla, and Acacia koa, 443 



Acsena in California, 527 



Accipiter hawaii, 314 



Achatinellinse, average range of, 317 



JEgialitis sanctce-helena', 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 



Alectorcenax piilcherrimus, 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 



Amblyrhynchiis cristatus, 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 



Amphisbsenidse, 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 

 A iigrcecum 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 affecting their dispersal, 



82 



Apera arundinacea, 503 

 Apium graveolens in New Zealand, 515 

 Apteryx, species of, 476 

 Arahis 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, ISl 



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 patida on a railway bank, 515 

 Auchenia, 27 



Austen, Mr. Godwin, on littoral shells in 

 deep water, 337 



o o 



