Abstract
IT is well known that many plant and animal taxa have what has been termed an ‘Antarctic’ or ‘Antarctogaean’ distribution, that is, they are mainly or entirely restricted to southern Australia and/or New Zealand, southern South America, and, in some cases, South Africa. This has been accepted by many biogeographers as evidence of an ancient connexion between these land-masses, probably via the Antarctic continent. In particular, it is seen as strong evidence in favour of Wegener's hypothesis of ‘continental drift’, a theory now attaining some respectability in the eyes of the geophysicists1 who were formerly its principal opponents.
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