Patterns of regional endemism. vicariance. and disjunction in New Zealand higher plants are reviewed. These are discussed in relation to the post-Oligocene history of the geology. climate .. and vegetation. Previous explanations for su~h distrIbution patterns have centred on the disruptive effects of ice and severe climates during the Last Glaciation. and subsequent migration of plants from glacial refugia during the postglacial. It is conel uded that these explanations are largely Inadequate. It is suggested that many endemic. vicariant. and disjunct plant distributions are related to the large-scale modification of the New Zealand land mass which has occurred as a result of active tectonism since the Oligocene. The more stable regions of New Zealand (in particular Northland. northwest Nelson. and Otago) have retained di verse floras partly as a result of retention of older clements of the flora which more radically altered areas (southern North Island. central South Island) have tended to lose. The rapidly rising Southern Alps may have acted as a centre of speciation because of its provision of novel alpine and subalpine environments. Glaciations have aifec!ed distribution patterns mainly through permltt1l1g the wide spread of glacial environment specialists.

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We explored the role that poetic form can play in people's perceptions of the accuracy of aphorisms as descriptions of human behavior. Participants judged the ostensible accuracy of unfamiliar aphorisms presented in their textually surviving form or a semantically equivalent modified form. Extant rhyming aphorisms in their original form (e.g., "What sobriety conceals, alcohol reveals") were judged to be more accurate than modified versions that did not preserve rhyme ("What sobriety conceals, alcohol unmasks"). However, the perceived truth advantage of rhyming aphorisms over their modified forms was attenuated when people were cautioned to distinguish aphorisms' poetic qualities from their semantic content. Our results suggest that rhyme, like repetition, affords statements an enhancement in processing fluency that can be misattributed to heightened conviction about their truthfulness.

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