Siphonaptera, The

[verse] Great fleas have little fleas upon their backs to bite 'em, And little fleas have lesser fleas, and so ad in-fin-aye-tum. And the great fleas themselves, in turn, have greater fleas to go on; While these again have greater still, and greater still, and so on. [chorus] The Vermin only teaze and pinch Their Foes superior by an Inch. Thus ev'ry Poet in his Kind Is bit by him which comes behind [verse] Great fleas have little fleas upon their backs to bite 'em, And little fleas have lesser fleas, and so ad in-fin-aye-tum. And the great fleas themselves, in turn, have greater fleas to go on; While these again have greater still, and greater still, and so on.