FIGURE 2. R. aleutensis n in Rhynchelmis aleutensis n. sp. (Clitellata: Lumbriculidae) from Adak Island, Alaska

FIGURE 2. R. aleutensis n. sp. (A) Transverse section of male pore. (B) Transverse section of ectal part of atrium, with vasa deferentia. (C) Transverse section of ental part of atrium, with one vas deferens approaching the atrium, and the other within the atrial muscle coat. A prostate gland extends through the muscle coat, with granular vacuoles displacing the epithelial cells. (D) Sagittal section of the ental part of the atrium.