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-tion of ligatures to the upper part of the extreme- -ities, sufficiently tight to arrest the venous circulation; before resorting to blood-letting: to this the term Hemostasis has been applied. He says from numerous experiments made by Him, that by this means a quantity of blood (varying of course as one or more limbs are submitted to pressure) is as it were with- -drawn from the general circulation for the time: and thus the effects usually produced by copious bleeding, can be obtained by the loss of a very small quantity of blood. He farther noticed that but little effect was produced upon the patient by the ligatures so long as the vessels contained their normal quantity of blood but that syncope was often speedily induced by withdrawing a small por- tion. His reasoning on this subject is certainly very ingenious, and from the cases detailed by hhim, I think well deserving of trial, espe- -cially in cases where it is desirable to induce