. Diseases of cattle, sheep, goats and swine. Veterinary medicine. 434 DISEASES OF THE BLOOD. resemblance between louping-ill, Texas fever, tsetse fly disease, surra, heart-water, yellow fever, and malaria. In the article previously referred to he summarises his conclusions as follows :— One species only of tick, Ixodes rediirius, commonly known as the grass tick, has been found to carry the louping-ill bacillus to the sheep. It is easily recognised by the red body of the young females, the legs, shield, etc., being dark brown. It" lays its eggs, and undergoes its metamorphoses, in coarse
. Diseases of cattle, sheep, goats and swine. Veterinary medicine. 434 DISEASES OF THE BLOOD. resemblance between louping-ill, Texas fever, tsetse fly disease, surra, heart-water, yellow fever, and malaria. In the article previously referred to he summarises his conclusions as follows :— One species only of tick, Ixodes rediirius, commonly known as the grass tick, has been found to carry the louping-ill bacillus to the sheep. It is easily recognised by the red body of the young females, the legs, shield, etc., being dark brown. It" lays its eggs, and undergoes its metamorphoses, in coarse herbage, and after each change seeks a fresh "host" on which to distend itself to a large size by suction of blood. In all stages grass ticks abstain from all food except when on a host,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moussu, Gustave, 1864-; Dollar, Jno. A. W. (John A. W. ), joint author. New York, W. R. Jenkins
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