On the 23rd of November, 1848, about an ounce of perfectly pure pus
(previously warmed) was injected into the right jugular vein of an aged
ass; the vein immediately became "corded", and the blood appeared to
have coagulated in the vessel. The operation did not much excite the
breathing; but the pulse, which naturally was 35 in the minute, rose to
60, and subsequently fell to 55.
_24th._ The animal dejected; appetite indifferent. The vein can be
traced as a thickened cord as far as the sternum. Respiration 12 (the
natural standard); pulse 50.
_25th._ The parts around the vein much infiltrated with serum: pulse
55; respiration 12.
_26th._ The wound in the neck began to suppurate, and an abscess
subsequently formed in the course of the vein, about midway between
the opening and the sternum. The general symptoms continued, with
very slight variation, until the 4th of December, when the animal was
destroyed.
_Post-mortem appearances._ The jugular vein was found to have become
inflamed only in the course of the circulation, and to be obliterated a
short distance below the external opening. The surrounding parts were
greatly infiltrated with serum and lymph, and several abscesses had
formed in the immediate neighbourhood. The lungs did not present any
well-defined patches of congestion, as in the last mentioned experiment.