The Gape Worm of Fowls (Syngamus Trachealis); The Earthworm (Lumbricus Terrestris), Its Intermediate Host. Also, on the Prevention of the Disease in Fowls Called the Gapes, Which Is Caused by This Parasite. By L.D. Walker ...
doi 10.5962/bhl.title.34616
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Date
January 1, 1897
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[s.n.]