The archaeological site of Kasori in Wakaba Ward, Chiba City, is the largest cluster of shell mounds in Japan. Covering about 33 acres, it consists of two neolithic middens connected in a figure of eight, including the remains of more than 100 pit dwellings. Discovered in 1887 and first excavated in 1924, the Kasori shell mounds have become a type site for the Kasori type earthenware of the Middle Jōmon period, commonly found in the Kantō region. The finds included pottery vessels of various shapes and sizes, earrings and Venus figurines,…