Title Work Title No: 19488 Medium: Moving Image Date: 1955 (Release) Original Summary: "Introduces shelled animals and explains that the two major groups of mollusks are the univalves and the bivalves. Shows scenes of the living animals and illustrates how they move and feed. Suggests that collecting shells can be an interesting hobby."¿Summary from WorldCat Countries of Origin: U.S.A. Genres: Educational
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