polecat

hilleri A weasel-like animal of the genus Mustela.
notably, the European polecat, Mustela putorius.
1919, (w), (w), Duckworth, hardback edition, page 61

By the little garden pergola open to the winds some fluttered peacocks were blotted nervelessly amid the dripping trees, their heads sunk back beneath their wings: while in the pergola itself, like a fallen storm-cloud, lolled a negress, her levelled, polecat eyes semi-veiled by the nebulous alchemy of the rainbow.