EditorialMicroscopic views of human spermatozoa. View of the animalculae or organic particles in the semen. Handcoloured copperplate engraving by J. Barlow from Ebenezer Sibly's Universal System of Natural History, London, 1796.
EditorialWormseed or semen sanctum, Artemisia santonica. Handcoloured copperplate botanical engraving from Johannes Zorn's "Afbeelding der Artseny-Gewassen," Jan Christiaan Sepp, Amsterdam, 1796. Zorn first published his illustrated medical botany in Nurnberg i...