. A practical treatise on fractures and dislocations. Poland ^ showed aspecimen of stellate fracture of the fossa with threelines radiating thence to the body ; there was alsofracture of the acromion, but no dislocation. Agnewgives a similar figure, but does not state the sourcefrom which it was derived. Symptoms. The symptoms cannot be describedbecause no case appears to have been recognizedduring life ; and it seems unlikely that a diagnosiscould be made with any positiveness. The frag-ment is small and not accessible to direct manipu-lation, so that the only symptoms would be thoseof a disl
. A practical treatise on fractures and dislocations. Poland ^ showed aspecimen of stellate fracture of the fossa with threelines radiating thence to the body ; there was alsofracture of the acromion, but no dislocation. Agnewgives a similar figure, but does not state the sourcefrom which it was derived. Symptoms. The symptoms cannot be describedbecause no case appears to have been recognizedduring life ; and it seems unlikely that a diagnosiscould be made with any positiveness. The frag-ment is small and not accessible to direct manipu-lation, so that the only symptoms would be thoseof a dislocation together with crepitus on reduction,and perhaps a ready recurrence of the dislocation—signs that may be present under a variety of circumstances. Treatment. Treatment must be limited to reduction and immobili-zation, and the latter should be more complete and better guarded thanafter a simple dislocation, because of the greater ease with v/hich thehead of the humerus can escape from the glenoid cavity when the rimof the latter is Fra( turc of edge of gle-noid fossa. (V. Brlns.) ^ Poland : British Medical Journal, January 23, 1892. CHAPTEE XIX. FRACTURES OF THE HUMERUS. The tables in Chapter I. show that, while fractures of the upperextremity (including the clavicle) constitute nearly half of allfractures, those of the humerus are only 4 per cent, of all, and thisbone is less frequently broken than either the clavicle, radius, orulna. Differen-t tables of statistics show great variations in the rela-tive frequency of the fractures of the different portions of the bone,some giving the greatest number to the shaft, others to the lower end,but all agree in giving the greatest frequency to the first twenty yearsof life. The different varieties of fracture may be most conveniently studiedby arranging them in three groups : fractures of the upper end, frac-tures of the shaft, and fractures of the lower end, although the firstand third groups severally contain variet
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