A system of surgery : pathological, diagnostic, therapeutic, and operative . ude the possibilityof its holding out during the time that may be required for the separation of thedead bone. In other cases, again, amputation may be demanded on account ofhemorrhage from some large sinus, presenting itself either as a general oozing,or as a flow from an artery of considerable size, opened by ulcei-ative action at aperiod when the loss of a few more ounces of blood might prove fatal. It is im-possible, however, to exercise too much caution in attempting to decide so gravea question. In weighing the
A system of surgery : pathological, diagnostic, therapeutic, and operative . ude the possibilityof its holding out during the time that may be required for the separation of thedead bone. In other cases, again, amputation may be demanded on account ofhemorrhage from some large sinus, presenting itself either as a general oozing,or as a flow from an artery of considerable size, opened by ulcei-ative action at aperiod when the loss of a few more ounces of blood might prove fatal. It is im-possible, however, to exercise too much caution in attempting to decide so gravea question. In weighing the several points involved in its consideration, wemust not lose sight of the fact that cases, apparently of the most forlorn character,where life literally hangs, as it Mere, by a thread, will sometimes promptly re-cover upon the removal of the dead bone. Finally, it must not be forgotten thatexcision of an entire bone has often been advantageously performed, especiallyof late years, recovery taking place with comparatively little deformity. SECT. VII. -SOFTENING. Fig. Miulaine Siipint, in a posture quite practicablein the advanced staue of tlie disease. The essential characteristic of osteomalacia, mollifies ossium, or softening ofthe bones, is a diminution of the firmness and solidity of the osseous tissue de-pending upon the gradual removal of itsearthy constituents, and the deposition ofa reddish sero-albuminous, oily, or greasysubstance. The malady is often confoundedwith rachitis, but differs from it in thecircumstance, first, of its being a disorderof adult life, and, secondly, in being alwaysattended with severe pain ; whereas ricketsis peculiar to infancy, and free from localsutfering. Softening of the osseous tissue varies indegree and extent, occurring at one timeas a very slight affection, with hardly anyappreciable change of structure, and atanother as. a most serious lesion, in whichit is difficult to distinguish any trace of thenormal substance. In regard to
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