FIGURE 12 in Two new Pseudoceros (Polycladida: Pseudocerotidae) and a Prostheceraeus (Polycladida: Euryleptidae) from Andaman and Nicobar Islands, India

FIGURE 12. Prostheceraeus fuscolineatus sp. nov. diagrammatic reconstruction of sagittal histological section. bm: basement membrane; cm: circular muscles; ej: ejaculatory duct; ep: epidermis; ib: intestinal branch; in: intestine; ma: male atrium; mp: male gonopore; pd: prostatic duct; p: pharynx; pp: penis papilla; pv: prostatic vesicle; rh: rhabdites; sb: spermiducal bulb; st: stylet; su: sucker; sv: seminal vesicle.