Life cycle of liver fluke (Fasciola hepatica): Snail (Linnaeus truncatulus). Drawing used in "Animal Parasites of Sheep" by Cooper Curtice, 1890. Plate XVI, Figures 6 and 6a.

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Citation

Unknown. 1890. “Life cycle of liver fluke (Fasciola hepatica): Snail (Linnaeus truncatulus). Drawing used in "Animal Parasites of Sheep" by Cooper Curtice, 1890. Plate XVI, Figures 6 and 6a..” Special Collections, USDA National Agricultural Library. Accessed August 19, 2022, https://www.nal.usda.gov/exhibits/speccoll/items/show/8076.