Roundworms of domestic swine. Illustration for Bureau of Animal Industry Bulletin 158. Plate I - Frontispiece.

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Citation

William S.D. Haines. 1911. “Roundworms of domestic swine. Illustration for Bureau of Animal Industry Bulletin 158. Plate I - Frontispiece..” Special Collections, USDA National Agricultural Library. Accessed October 5, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/8083.