dc:description"FIGURE 2. Bothrioneurum species. A–E. B. vejdovskyanum Štolc, 1886 (from Tarmo Timm's collection). A. Spermatophore attached to the clitellar region. B. Atrium with a diffuse layer of prostatic cells. C,D. Copulatory organ (= paratrium). E. Developing sperm morulae in the coelom (composed from 2 photos). F–J. B. brauni Marcus, 1949 (Marchese's collection). F. Spermatophore capsule. G. Detail of sperm funnel and atrium. H. Junction of atrium and ental section of the copulatory bursa. I,J. Copulatory organ (= paratrium) with conical projection of glands to the copulatory bursa. B, D, G–J histological sections. Abbreviations: a atrium, cb copulatory bursa, gl gland, m muscular layer, pa paratrium, pr prostatic cells, sf sperm funnel, t testis, vd vas deferens.";
dc:description"FIGURE 1. Spermatophores in several clitellates. A. Bothrioneurum vejdovskyanum (from Timm's collection S-1102). B. Paranadrilus descolei (from Marchese's collection). C. Uktena riparia (Fend's collection). D. Aktedrilus labeosus (NMNH 59663), ventral side of segment XII. E–F. Spermatophores in the lumbricid Eisenia fetida, small mucous disc containing sperm (E), and detail after dissection (F). G–I. Spermatophores in the leech Helobdella spp., extruded from the male pore (G,H), and detail showing the double-tube structure of the spermatophore (I), corresponding to the paired atrial cornua. Abbreviation: sph spermatophore, s sperm.";
