FIGURE 2. Eremidrilus artzaini n in New Eremidrilus species (Clitellata: Lumbriculidae) from western North America Part 1, species with two spermathecal segments

FIGURE 2. Eremidrilus artzaini n. sp. from Summit Creek. A. Chaeta, VIII ventral. B. Atria, from a dissected worm. C. Atrium, sagittal section. D. Transverse section of atrium, near base of ampulla, with vas deferens deeply embedded in muscle layer. E. Vas deferens embedded in atrial muscle layer, from a transverse section. F. Detail of atrial ampulla, showing muscle layer, narrow epithelium and short prostates, transverse section. G. Male pore on small papilla within concave porophore, from a transverse section. H. First spermathecal ampulla, sagittal section. I, J. Spermathecal ducts, transverse sections. Note: in Figures 2A-C, the specimen is facing left.