exaggerated very slightly. Both arms, and all other parts of the body, are in normal condition. The head has ceased to enlarge, so far as can be determined by external measurement. The child, etherized, was placed prone. A shallow V-shaped incision across the ham exposed the popliteal fascia, which, with the hamstring tendons, was divided; the semi-membranosus, biceps and semi-tendinosus were severed partly in the tendinous, and partly in the muscular part. The tendo Achillis and the plantar