The technic of encephalography is discussed by M. A. Toporikova. The lumbar route for the injection of air is considered preferable except for children with edema or trauma of the brain, for whom ventriculography is suggested. A sitting position for the patient is recommended in order that he may avoid the shock to the nervous system which occurs if the position is changed when the roentgenograms are taken. A special suspension bandage is recommended to keep the head in the proper position. Encephalography with the child's head hanging down is of great diagnostic value, for this position increases the visualization of the third ventricle and cistern.
A discussion of the interpretation of encephalograms, by D. C. Lindenbraten, is based on the study of an extensive series of cases correlated in some instances with a postmortem examination. The author thinks that the measurement of the brain by encephalograms is of no