MAURITIAN • FREE TRANSLATOR.ORG • Definition of Mauritian

... 'Ibis,' 1866, p. 275.), differ but little in colour, whilst the females differ much. In the Bourbon species the female appears to have partially retained an immature condition of plumage, for at first sight she "might be taken for the young of the Mauritian species." These differences may be compared with those inexplicable ones, which occur independently of man's selection in certain sub-breeds of the game-fowl, in which the females are very different, whilst the males can hardly be distinguished. (9. 'Variation ...

— The Descent of Man and Selection in Relation to Sex • Charles Darwin