Euhadra peliomphala (English spelling)

Japanese: ミスジマイマイ(三筋蝸牛) - ミスジマイマイ（英語表記）Euhadra peliomphala

A land snail of the family E. p. nimbosa (snail illustration). A common snail found in the Kanto region, Yamanashi, Nagano, and Shizuoka. The shell is 2 cm high, 3.6 cm in diameter, and has a low coil of 5 to 6 stories (illustration). The shell is thin and pale yellow, and often has yellowish-white smudges along the growth veins. The last coil has three black bands, hence the name. However, there are many variations, with some individuals only having black bands around the periphery and some having no black bands at all. The base color of the shell is also entirely black, and individuals with yellowish-white smudges live in mountainous areas such as Hakone and Amagi; these are called E. p . nimbosa .

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

オナジマイマイ科の陸産巻貝（カタツムリイラスト）。関東地方，山梨，長野，静岡に分布するふつうのカタツムリ。殻の高さ2cm，径3.6cm，巻きは5～6階で低い（イラスト）。殻は薄く，淡黄色で成長脈にそって黄白色のかすり状の色彩ができることが多い。最後の巻きには黒色の帯が3本あるため，この名がついた。しかし周囲にのみ黒帯のある個体，まったく黒帯のない個体もあって変異が多い。殻の地色も全体黒色になり，それに黄白色のかすりの出た個体が箱根，天城などの山地にすむが，これをトラマイマイE.p.nimbosaという。

出典　株式会社平凡社世界大百科事典第２版について　情報

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