FIGURE 10 in A review of the genus Eclipidrilus (Annelida: Clitellata: Lumbriculidae), with description of a new species from western North America

FIGURE 10. Eclipidrilus pacificus, spermathecae, sagittal sections (A­B, typical specimens, Hoh River, Washington), (C­D, Variant 1, Peavine Ridge, Oregon). A—spermathecal vestibule. Bspermathecal ampulla, with ectal part containing dark­staining sperm to right and ental part to the left. C—part of spermathecal vestibule and ectal end of duct. D—spermathecal ampulla (with sperm in ental part), and vestibule. Abbreviations: lm—longitudinal muscle; sv—spermathecal vestibule; tm—thickened section of transverse muscle. Scale bars 50 µm.