English metaphysical poetry, from Donne to Marvell, is conspicuously witty. A. J. Smith seeks the central importance of wit in the thinking of the metaphysical poets, and argues that metaphysical wit is essentially different from other modes of wit current in Renaissance Europe. Formal theories and rhetorics of wit are considered both for their theoretical import and their appraisals of wit in practice. Prevailing fashions of witty invention are scrutinized in Italian, French, and Spanish writings, so as to bring out the nature and effect of various forms of wit: conceited, hieroglyphic,...