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<p><span style="color: rgb(33, 37, 41); font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; letter-spacing: 0.7px; text-align: justify;">they are original and were prepared from specimens in the museum of the Department of Veterinary Pathology in the University of Liverpool. Borrowed specimens and illustrations reproduced from other sources have been acknowledged under the respective figures.</span><br></p>
