FIGURE 2. R. klamathensis n in Rhynchelmis subgenus Sutroa Eisen new rank, with two new species from western North America (Annelida, Clitellata, Lumbriculidae)

FIGURE 2. R. klamathensis n. sp. from Upper Klamath Lake (A–F, I–J) and from Mokelumne River (G–H). A–D. Lateral and ventral views of anterior segments of mature worms; penes everted in C–D. E–F. Lateral and ventral views of a specimen with partially-developed reproductive pores. G–H. Lateral views of a mature and immature worm. I. Lateral blood vessels in XXV, worm facing right; at lower right, the broken end of the anterior vessel (small arrow) indicates the junction with the perivisceral sinus. J. Chaetae: from left to right, a pair from mid-body region, a ventral pair from segment VIII, and a pair from about the posterior 1/4 of a worm. Scale bars (A–H) 2 mm, (I) 400 Μm, (J) 200 Μm.