Activities of local natural history museum such as research, educational services, exhibition, etc have the possibility to be able to contribute greatly to the conservation of biodiversity in the local area. The museum is asked for their cooperation by the various organizations as the expert that has kept seeing nature in local area for years, and plays also the role as the think tank functions. Currently, the importance of biodiversity is being widely recognized and the conservation of biodiversity is thought to become more important. In such circumstances, the museum is thought to play an increasingly significant role in conservation of biodiversity. Mainly based on the case of the Saitama Museum of Natural History, the deep relationships and key role between its activities and the conserving biodiversity are discussed.

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From the standpoint of supporting the activities for aiming the "Chichibu Geopark Integrated", the author introduced geoparks in every places in Japan and proposed a tentative plane on geosites in Chichibu district(Homma, 2010). However, as it was not enough to build the themes and stories on the geopark in Chichibu district, the author has studied on the themes and stories anew.
In this review, the author classified the geosites in Chichibu district into three levels such as geopoints, geosites and geosite groups from the view of space. Further the author put these themes along the geological history of Chichibu district in order and proposed the essences of stories on "Chichibu Geopark Integrated".

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Thirty-three proturan species belonging to 16 genera of 4 families were recorded from Saitama Prefecture. They are composed of representatives of warm-temperate and temperate regions of Japan. Coexistence of Nipponentomon uenoi f. B and f. C was observed at two localities.

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Nine Betula species inhabit Saitama prefecture and two of them were designated endangered species. The aims of this study are to analyze the habitats of nine Betula species in relation to geology and geography and to discuss the formation processes of biodiversity.
According to result of the analysis, B. corilifolia, B. ermanii and B. globispica are distributed on high-elevation areas. And B. schmidtii and B. maximowicziana found in steeply slope. B. davurica was found in low-pitched slope. B. schmidtii inhabits in convex areas.
The distribution of Betula species was affected by the diversity of geology, geography and climate. We estimated that the Betula species, a taxon that was widely distributed in the arctic area during the Tertiary, advanced southward into Japan, speciated and adapted to various environmental conditions such as limestone, sub-alpine climate, heavy wind and also collapsed areas, steep slope and floodplains.

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The phlogopite-apatite rock consists mainly of phlogopite and apatite, and has unipue texture similar to sandstone. It is found in the northern part on Chichibu Belt in the Kanto Mountains. The phlogopite-apatite rock is found in an accretionary prism accompanying chert, limestone, and greenrock as oceanic rocks, and sandstone and mudstone as terrigenous clastic materials. The protolith of the phlogopite-apatite rock is an alkaline oceanic igneous rock.
The brecciation and argillization on the protolith occur under a high pore-fluid pressure at the shallow part of the accretionary prism, and as a result the main remaining minerals - phlogopite and apatite - make a texture like sandstone. The chert breccia rock coexisting with the phligopite-apatite rock in the accrectionary prism was probably composed by the same process mentioned above. The part of the phlogopite-apatite rock that undergoes fluidization under the high pore fluid pressure, and injects into blocks of bedded chert, as if it were part of a matrix against the bedded chert.

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We have investigated rock specimens from the geographical Laboratory at Department of Literature, Kokushikan University. We understood the specimens to be from two groups with different ages. The main specimens are from the years of 1892 to 1941. There is a 25-year blank, and then the other specimens are from between 1966 to 1973.
It has been determined that the former are from a collection of Tetsugorou Wakimizu from the Imperial University of Tokyo. While the latter collection is from the faculty of the geographical Laboratory at Kokushikan University Department of Literature. In this paper, we report the number of specimens in the whole Wakimizu collection. We also detail the kinds of lebels, and when and where Mr. Wakimizu collected them. Lastly, there are brief comments on the usage of those specimens at Kokushikan University and the latter half of them at Kokushikan University.

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Extinct species of Pinaceae, Pinus trifolia Miki was newly found from Yagii formation, Late Miocene in Fukaya city. This species is known to be Tokai group in the Tokai district, the full production of cones from the Kanto district is the first time. Discovery is important to understand the paleovegetation of the Late Miocene in Japan.

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