... and the reversion of institutions: a delusion... 
P. J. Proudhon 「What is Property?」
...This apparently is a case of reversion, for Hill's Hector was a seedling from a lilac variety...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
..." This running of the parti-coloured flowers apparently is a case of reversion by buds to the original uniform tint of the species...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...A tulip, however, which has already become broken, when treated with too strong manure, is liable to flush or lose by a second act of reversion its variegated colours...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
..., the segregation of the two colours is strictly a case of reversion by bud-variation...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Thirdly, in crossed plants of a subsequent generation, by reversion, through either bud or seminal generation...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The feathers are ruffled or frizzled, and the reversion makes thempeculiarly susceptible of cold and wet, since their plumage is of littleuse as clothing...
Robert Jennings 「Sheep, Swine, and Poultry」
...This is explained by Dr Howitt as a reversion tothe ancient custom of group marriage...
Northcote W. Thomas 「Kinship Organisations and Group Marriage in Australia」
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