1683 17 p., 3 engraved plates (depicting intestine system), disbound (no covers). Pages with worming in left blank margin (not affecting the text). Somewhat browned. Last page in scanned copy. Published in: Miscellanea Curiosa sive Ephemeridum Medico-Physicarum Germanicum Academiae Naturae Curiosorum (the first journal on medicine and natural history). Rare.Johann Conrad Peyer (1653-1712) was a Swiss physician and anatomist.