Wounds in war : the mechanism of their production and their treatment . and with par-ticles of bone debris ad-hering to its mangledsides. Exit wounds ofthis kind are only pro-duced at ranges up to600 yards, and they arealways signs of perfora-tion of the diaphyses oflong bones. Delormeand Chavasse state thatan exit w7ound admittinga thumb indicates a com-minuted fracture, andSteinburg infers a similarcondition from a woundof over inch in Colers experimentshave, on the whole, jus-tified these conclusions :he believes that exit holesof inch denote shotsthrough compact bone ;bu
Wounds in war : the mechanism of their production and their treatment . and with par-ticles of bone debris ad-hering to its mangledsides. Exit wounds ofthis kind are only pro-duced at ranges up to600 yards, and they arealways signs of perfora-tion of the diaphyses oflong bones. Delormeand Chavasse state thatan exit w7ound admittinga thumb indicates a com-minuted fracture, andSteinburg infers a similarcondition from a woundof over inch in Colers experimentshave, on the whole, jus-tified these conclusions :he believes that exit holesof inch denote shotsthrough compact bone ;but he qualifies this state-ment by adding that no conclusion as to the amount ofinjury within can be arrived at by mere inspection of theexit wound. Small exit holes, produced at short ranges,may often be seen in cases where the bone injury withinthe limb is most severe. At longer ranges, over 1100yards, circular exit holes where bones have been hit areexceptional, and moreover the exits are frequently multiplefrom breaking up of the bullet. At all ranges, and whether. Fig. 11. Entrance and exit apertures in skin, madeby a Lee-Metford bullet which passedthrough shaft of tibia at fifty yardsrange. E = entrance.—Netley Museum. BULLET TRACKS THROUGH SOFT PARTS 45 bone has been hit or not, the exit hole is usually largerthan the entrance. The relative positions of the entrance and exit wounds arealmost always correct indications of the track of the occasionally happens, however, that a bullet may be soturned aside by grazing a compact bone that this statementdoes not hold good; but this is quite exceptional. As arule it will not be wrong to consider the line betweenthe entrance and exit wounds as the channel of the shot. No bullets were observed to run in rings or to follow thecontours of the body (Coler). The Bullet Track through the Soft Parts.—The shotchannel through muscles is in the form of a cylindricaltube, cut out as with a punch, the diameter of which atshort
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