FIGURE 4. Malacobdella japonica Takakura, 1897 in Higher classification of the Monostilifera (Nemertea: Hoplonemertea)

FIGURE 4. Malacobdella japonica Takakura, 1897 (ICHUM 5973), transverse sections through ventral rhynchocoel wall; A, anterior end, branch from mid-dorsal vessel, with basophilic contents (arrowhead); B, mid-dorsal vessel (arrowhead), 24 µm posterior to A; C, D, another branch (black arrowheads) with basophilic contents, sent off from mid-dorsal vessel (white arrowheads), 208–232 µm posterior to A. Scale bar: 20 µm (A–D).