Slide Set – Zoology Basic, Set/25 – Amoeba, E; Paramecium, E; Hydra, body wall, TS; Sycon, colony, TS; Fasciola (liver fluke) E; Taenia, mature paraglottid, E; Ascaris, male, TS; Lumbricus, reproductive region, E; Periplaneta, trachea, E; Rana (frog) ovary, TS; Amphioxus, young, E; Rana, testis, for spermatogenesis; Scyliorhinus (dogfish) skin with placoid scales, VS; Euglena, E; Hydra, extended, E; Hydra, body wall, LS; Planarian, TS; Taenia (tapeworm) scolex, LS; Ascaris (roundworm) female, TS; Lumbricus (earthworm) typhlosole, TS; Perplaneta (cockroach) head, E; Pediculus (louse) male, E; Musca (housefly) imago, head, E; Pieris (butterfly) imago, proboscis; Ocyctolagus (rabbit) embryo, body, TS.