EXPERIMENT XII.

Half an ounce of pus, similar to that used in the preceding instances,

but more putrid, in consequence of having been longer kept, was

introduced into the veins of a middling sized dog. The animal, as in

the other cases, was seized with vomiting, accompanied by violent

straining. Subsequently, strongly marked nervous symptoms made their

appearance. The eyes wandered; there was extreme sensibility, and

involuntary convulsive twitching over the whole body, accompanied by

faintness, hiccough, and short piteous cries. The walk was unsteady,

staggering, and without apparent object. There was furious delirium,

ardent thirst, dyspnoea, palpitation of the heart, etc. This

state lasted for nearly two hours, and the animal died in frightful

convulsions, without having experienced any critical evacuations, as in

the former cases.

_Post-mortem appearances._ On opening the body, while still warm, the

venous blood was found very firmly coagulated, not parting with any of

its serum when left at rest; the left ventricle of the heart showed, on

its external surface, some stains of the colour of lees of wine, formed

by a kind of concrete pellicle, which disappeared only after long

rubbing and maceration. The other organs appeared healthy.

On the origin of inflammation of the veins and of the causes, consequences, and treatment of purulent deposits · 第 22 / 34 题