FIG. 1 in Toward a taxonomic revision of the medicinal leech Hirudo medicinalis Linnaeus, 1758 (Hirudinea: Hirudinidae): re-description of Hirudo troctina Johnson, 1816 from North Africa

FIG. 1. Comparison of the foreguts of Hirudo troctina (left) [Dissection 30Z, neotype] and Hirudo medicinalis (right) [Dissection 35Z]. Ventral view. j, jaw; p, salivary papillae; s, sulcus; t, teeth. Scale bar: 1 mm.