FIGURE 1. Uktena riparia n in Uktena riparia n. gen., n. sp. (Annelida, Clitellata, Lumbriculidae), a new spermatophore-producing oligochaete

FIGURE 1. Uktena riparia n. sp. A,C,G from Flat Creek (the type locality); B,D,E,F from Lower Little River. A and B. Ventral views of mature worms; spermatophores protruding from spermathecal pores in (A); spermathecal copulatory organs everted in (B). C. Ventral chaetae: single chaetae in segment II, IX and X, pairs in VIII and XI; those in IX and X are genital chaetae. D. Ventral chaetal bundles: paired somatic chaetae in II, VIII, XI and LX; developing genital chaetae in IX. E. Gland within an everted spermathecal copulatory organ. F. Paired glands within male bursa. G. Dorsal view of lateral blood vessels in a posterior segment; worm is facing left.