FIGURE 3 in A review of the genus Eclipidrilus (Annelida: Clitellata: Lumbriculidae), with description of a new species from western North America

FIGURE 3. Reproductive segments of E. pacificus (A, typical specimen, Hoh River, Washington), (B, Variant 2, Knappa Slough, Columbia River). A—ventrolateral view, showing spermathecae and atrium (vasa deferentia and anterior funnels not shown), from a whole mount. B—ventral view (schematic) of a whole–mounted worm with three spermathecal pores, showing positions of spermathecae and atrium. Abbreviations: aa—atrial ampulla; ad—atrial duct; mf—posterior male funnel; mp—male pore; ov—ovary; sa—spermathecal ampulla; sp—spermathecal pore; ss—sperm sac; te—testis. Scale bars 500 µm.