FIGURE 6 in New Eclipidrilus species (Annelida, Clitellata, Lumbriculidae) from southeastern North America

FIGURE 6. Eclipidrilus macphersonae (A–C, H, K–L, specimens from Lumber River; D–G, I–J, specimens from Naked Creek; all from sagittal sections). A, ectal part of spermathecal ampulla. B–C, ental (vacuolate) part of spermathecal ampulla; sperm visible within epithelial vacuoles in B. D–E, spermathecal vestibules. F–G, penial structures, with extruded penes. H–K, atrial ampullae; faint transverse and diagonal muscle fibers visible in K. L, ectal duct of atrium. Scale bars: 100 μm.