POLYCLAD FLATWORMS — HYMAN 



597 



Explanation of Numbered Parts on Figures 



tentacle 



uteri 



spermiducal bulbs 



common sperm duct 



muscular vagina 



thorns 



teeth 



bursa 



black dots 



tentacular eyes 



cirrus sac 



cement pouch 



common gonopore 



sucker 



median ridge 



tentacular folds 



uterine network 



papillae 



eosinophilous droplets 



nuclei 



rhabdites 



main intestine 



accessory vesicles 



penis sheath 



cirrus papilla 



gland pocket of male antrum 



