1. 7297.g.4, 1(11) Reference (shelfmark): 7297.g.4, 1(11) Title: Ein Kiefer von dem gebräuchlichen Blutegel. (Hirudo medicinalis.) [Jaw of the medicinal leech]. Photographer: Heeger, Ernst Scope & Content: Genre: Scientific Photography Photomicrograph. Collection Area: Printed Collections Languages: Not applicable Date Range: c 1859 Extent: 1 item