. Modern surgery, general and operative. Fig. 309.—Vicious union of fracturedtones of the leg. View from inner side oflimb. Fig. 310.—Ununited fracture of tlie femur. rarely occur if delayed union obtained proper attention (Brit. Med. Jour.,Dec. 7, 1912). Bending of Callus.—Sometimes apparently sound callus will bend. Thisis particularly apt to occur in the leg if the bones are not in correct of correct alignment means great deflection of the weight of the have seen shortening of the femur increase during the third month after airacture. Mr. Jones, of Liverpool (Ibid.)

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. Modern surgery, general and operative. Fig. 309.—Vicious union of fracturedtones of the leg. View from inner side oflimb. Fig. 310.—Ununited fracture of tlie femur. rarely occur if delayed union obtained proper attention (Brit. Med. Jour.,Dec. 7, 1912). Bending of Callus.—Sometimes apparently sound callus will bend. Thisis particularly apt to occur in the leg if the bones are not in correct of correct alignment means great deflection of the weight of the have seen shortening of the femur increase during the third month after airacture. Mr. Jones, of Liverpool (Ibid.), points out that the surgeon can re-fracture bones by manipulation up to four months after the break. It is obvi-ous that fractures are not soundly united as early as we used to believe, andthat a patient must not be allowed to walk too early. Vicious or faulty union is union with great deformity (Fig. 309). Thisoccurs when no treatment has been employed, or when immobihzation has beenimperfect, or when deformity has not been red

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