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Helix pomatia dart sac ex Meisenheimer. Drawing of dart sac bursa telae of Helix pomatia with creating new love dart cropped and retouched by User Snek from Die Weinbergschnecke Helix pomatia by Johannes Meisenheimer page mpizkoeln mpg de html Johannes Meisenheimer public domain PDold Love darts Helix pomatia anatomy