Excretory Systems In Animals.: Indiana University, Bloomington. Audio-Visual Center

Author and editor, George Vuke, photographers, George Vuke, Tom Held; Compares the excretory systems of a variety of phyla. Points out principal excretory organs and shows the excretory organs in a dissected dog; Summary; Discusses the excretory organs of animals, including the paramecia, amoebae, hydra, planaria, earthworm, grasshopper, crayfish, frog and dog.