is a prefectural museum of natural history in Nagatoro, Saitama Prefecture, Japan. The museum opened in 1981 and replaced "史" with "の" in its Japanese name in 2006. The Museum supersedes the (1949–1980) and the (1921–1949), founded by the Chichibu Railway Company. The collection includes 56 pieces from a Stegodon aurorae skeleton found in 1975, of which there are a further 3 pieces in the Sayama City Museum; both assemblages have been designated a Prefectural Natural Monument.
Publications
(2007–; vols. 1–) (1983–2006; vols. 1–23)