Comoplana agilis (MNCN 4.01/34634 to 3635). Histological sections are postero-anteriorly oriented: A. Dorsal view of the living specimen; B. Detail of the tentacles and eyes; C, D. Histological sections of the reproductive system; E. Sagittal reconstruction of the reproductive system. Abbreviations: c, cilia; ca, common atrium; cp, common pore; cg, cemental glands; ed, ejaculatory duct; el, epithelial lining; ev, external vagina; i, intestine; iv, internal vagina; lv, Lang’s vesicle; mw, muscular wall; ov, oviduct; ph, pharynx; pp, penis papilla; pv, prostatic vesicle; sv, seminal vesicle; vd, vas deferens.