PLATE IV.
SPIRILLUM OF THE RAT.
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Chart No. I.
SPIRILLAR RAT.
August-September 1885.
Daily observations of Temperature and Blood-state.
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MEMO. on Blood. + Spirillum present. ? Sp. doubtfully seen.—Sp. absent, on morning or evening of
observation days; beginning with day of capture, when first scrutiny made.
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Lithographed at the Survey of India Offices, Calcutta, December 1887.