Perhaps the bolster of tow proposed by Moscatti, would have surpassed all these means, in the advantages it offered, had it not, by leaving the arm moveable below, and the shoulder above, still favoured a displacement. Le Dran has also advised the use of a bolster composed of that of Moscatti, and bole Armenian. It fixed the arm more firmly against the trunk and in this respect, certainly approached nearer to the attainment of the object in view. 19. It is obvious, from this comparison between the indications of cure (17), and the means hitherto employed for the fulfilment of them (18), that nothing satisfactory had yet been done, and that a proper apparatus was still a desideratum. The success experienced by Desault, in the use of that which we are about to describe, has perhaps proven, that this desideratum exists no longer. 20. The pieces which compose it, are, 1st, Two rollers, the one from five to six, and the other from eight to ten yards long, each one about three inches wide: 2dly, Three strong splints, of different lengths, each about two inches broad: 3dly, A small bolster made of linen, from three to four inches thick, at one end, tapering like a wedge to the other, and of a sufficient length to reach from the arm-pit to the elbow; 4thly, A sling for the purpose of supporting the fore-arm; 5thly, A piece of linen to surround the whole apparatus. Every thing being properly arranged, the reduction, effected in the manner already stated (14), and the assistants still continuing the extension: 1st, The surgeon takes the first roller, wet with vegeto-mineral water, fixes one end of it by two circular turns on the upper part of the fore-arm, and carries it up along the arm by oblique turns, moderately tight, and overlapping each other about two-thirds of their breadth. Having reached the upper part of the limb, he makes some reversed turns to prevent the wrinkles that would be caused by the unevenness that occurs in this place. He then passes two casts of the roller under the opposite arm-pit, and bringing the ball to the top of the shoulder again, gives it into the hand of an assistant. 2dly, The first splint is then placed before, and reaches from the fold of the arm, to a level with the acromion. The second on the outside, reaching from the external condyle to the same level. The third behind, reaching from the olecranon to the fold of the arm-pit. The bolster placed between the arm and the thorax is a substitute for a fourth splint, which is by that rendered unnecessary. An assistant now secures them, by grasping them with his hand towards the curvature of the elbow, so as not to hinder the application of the remaining part of the bandage. 3dly, The surgeon takes hold of the roller again, descends by oblique and reversed turns along the splints, which he fixes by binding them moderately tight, and terminates the bandage at the upper part of the fore-arm, where he had commenced.