FIGURE 8 in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886

FIGURE 8. Lophochaeta ignota Štolc, 1886. A: general diagram of the male duct. X and XI: segment number; B: detail of the penial sac; C: male duct of incompletely mature specimen. Abbreviations: a: atrium, aa: atrial ampulla, cps: cuticular penial sheath, jpg: junction of the prostate gland, mp: male pore, ms: muscular strands, p: penis, pg: prostate gland, ps: penial sac, vd: vas deferens.