first edition , engraved additional pictorial title depicting Jove seated on a pedestal and holding in his hands an egg inscribed 'ex ova omnia', printed title with woodcut printer's device, C4 blank, additional title trimmed at foot and outer edge within border, foxed, contemporary limp vellum, [G Keynes 34; Wing H1091], small 4to, typis Du-Gardianis; impensis Octaviani Pulleyn, 1651. 'The most important book on the subject to appear during the seventeenth century The chapter on midwifery is the first work on that subject to be written by an Englishman' (G ).