The sixth edition of this work includes a consideration of the few good anesthetics that are available for local anesthesia, the dosages and the methods of use, the combination of epinephrine with local anesthetics and the combination of local and general anesthesia. There is a description of the syringes and needles recommended for this work and of various other apparatus which is conveniently employed. The various blocks are described on an anatomic basis, as, for example, in chapter 4, local anesthesia for operations on the scalp, the cranium and its contents, and in chapter 5, local anesthesia for operations on the face, jaw and tongue. In the following chapters local anesthesia is described with respect to operations on the ear and mastoid cells, operations for trifacial neuralgia and operations on the fifth cranial nerve, cervical lymph nodes, buccal soft parts, thyroid gland, tonsils, larynx, trachea, mammary gland, thorax, lungs, spinal