化石

The Kyoto University Museum, established in 1997, has been putting emphasis on openness of the museum to the public. To make tax-payers understanding the importance of the museum's mission, including collecting, storing, and maintaining invaluable specimens and cultural heritages as well as curating them for research and educational purposes, it is necessary to open museum's door more widely to the citizens and provide them with various opportunities for life-long learning. Through such activities, we can expect the citizen's proper understanding and support for the museums important missions. Here I report our ten years experience in supporting citizen's life-long learning, including planning and operating public events, making original learning programs in cooperation with specialists of museum learning, webbing network with people and organizations cooperating with us.

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The current situation of preserving both scientific specimens and research materials in the field of earth sciences are discussed from a paleontological point of view. Also noted are ongoing educational outreach programs for geology and paleontology conducted by the Kagoshima University Museum. Then discussed are its field museum projects which aim to reevaluate and preserve cultural assets left in the region. In conclusion, 1) to establish a university museum; 2) to cooperate with other museums; 3) to cooperate with retirees, volunteer citizens and students; 4) to cooperate with other fields; 5) to preserve type localities of newly found formations and important outcrops; and 6) to publicize information to the general public, are suggested as specific outreach practices for geology and paleontology.

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Ostracod carapaces are thought to be exceptional materials for understanding on evolution of exoskeleton in arthropods practically, because they are preserved as fossils and have anatomically important features. Nevertheless, more histological understandings of carapace are necessary to exert the high potential subsisting in the carapace features and to understand the evolution of Ostracoda profoundly. This paper reviews recent knowledge on the structure and cuticle formation of ostracod carapace from the point of histological view. Previous papers on carapace structure have been carried out from the two points of views. One is the biological view to clarify the carapace structure anatomically and the other is the paleontological view to elucidate mainly the structure of hard tissues preserved as fossils. Most of them, however, only focused on descriptions on the microstructures of hard parts. Though ultrastructural studies on the carapace comprising "dead tissues" and "living tissues" should be carried out by means of both SEM and TEM, the number of species treated in these studies is very small. The comprehensive elucidation of carapace structure containing the hard and soft tissues will be able to reanimate the "dead tissues" of carapace as a part of active animal body.

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