FIGURE 4. R. klamathensis n in Rhynchelmis subgenus Sutroa Eisen new rank, with two new species from western North America (Annelida, Clitellata, Lumbriculidae)

FIGURE 4. R. klamathensis n. sp., reproductive organs drawn from dissected worms; from Upper Klamath Lake (A–F), from Mokelumne River (G–I). A–C, G–H, spermathecae; D–F, ectal ends of male ducts with penial bulbs; I, atrium and penial bulb. A. Spermatheca with a slightly branched diverticulum. B. An unusual specimen with highly branched spermathecal diverticula. C. A typical specimen with unbranched spermathecal diverticula. D. A completely retracted penial bulb. E. A slightly everted penial bulb. F. An everted penial bulb (same specimen as Fig. 2C). G. Mature spermatheca. H. Spermatheca from partiallymature worm. I. A relatively straight atrium with retracted penis (anterior vas deferens not shown). Scale bar 300 Μm (all drawings to same scale).