...Had these twoseasons killed all the seals, it would have beena reversal of the customary extermination byman of a species reduced in numbers by nature... 
Frederic A. Lucas 「Animals of the Past」
... This reversal of the usual mode of walking is so peculiar to the Cetonia-larva that it is enough in itself to reveal the grub's identity to the least expert eyes...
J. Henri Fabre 「More Hunting Wasps」
...The grandparents of his wife are in thesame classes but with reversal as regards the sex...
Northcote W. Thomas 「Kinship Organisations and Group Marriage in Australia」
...If so, it was by a reversal of polarity through anact of will...
Victor Endersby 「Disowned」
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