The imagery in the falcon inside the gyre isn’t far faraway from the imagery of the pern within a gyre. Could Yeats have misspelled pern (spelling it perne)? If 1 thinks of Yeats’s perne as a chook of prey, then Yeats’ is evaluating the sages to birds of prey. In https://echipamentdebirou08631.answerblogs.com/22424369/how-much-you-need-to-expect-you-ll-pay-for-a-good-perne