Pemberton calls attention to the following factors in a case of amblyopia: First, excitement during a prolonged and somewhat critical attack; second, overstimulation of eyes and ears due to brilliant flashes, night firing from many batteries close together (the gunners are always subject to temporary deafness from this firing); third, natural fear from close bursting of shells; fourth, disgust at decapitated and disemboweled soldiers; fifth, fatigue from twelve hours’ work. The artillery sergeant worked under heavy shell fire at Gun No. 1. A direct hit killed three men serving No. 2 gun. The sergeant became somewhat excited but worked his gun until the following dawn, when he collapsed across one of the disemboweled corpses. He thus had been at work for about twelve hours. The battery had fired 400 or 500 rounds. A few hours later, the man was conscious but very feeble and much shaken. There was amblyopia and contraction of the fields of vision to rough tests, but no change in color vision. Taste sense was blunted, and salt could hardly be told from powdered quinin tablets. Smell also was practically absent, although he had never been able to smell accurately. Hearing was not more affected than that of other men in the battery, and there were no tympanic fractures. Both thighs, from about the apex of Scarpa’s triangle to the knee, showed partial anesthesia, such that a pin prick that should have been painful was felt only as a tactile sensation, whereas lighter stimulation caused no sensation whatever. The patient himself complained of numbness in these areas. The gait was slow and spastic. The knee-jerks were brisk. Sent back to the wagon lines for a week, the patient lost his sensory disturbance, but the symptoms of mental distress increased. He walked weakly and stiffly; he continually thought of the dead men at the next gun, one of whom was a friend. He was finally sent to a hospital in England. Shell-shock amblyopia. =Case 272.= (MYERS, February, 1915.) A private, 20, lay in the booking-hall of a station, October 28-29, not securing much sleep; motored in a bus next day to another place at 7.30 p.m.; went into billets at 8 p.m.; mounted guard 10-11.30 p.m. and 1.45 to 3.45 a.m.; and went to the firing-line for the first time at 11 a.m. October 31. The platoon advanced through two sets of trenches, which were full, and had to retire. About 1.30 p.m. they were found by the German artillery. This man had been rather enjoying it and was in the best of spirits until the shells began to burst. The platoon was retiring over open ground. He was kneeling on both knees, trying to creep under wire entanglements, when two or three shells burst near by. Three more shells burst behind and one in front. The escape was described by an eye-witness as a miracle. He managed to get back under the entanglements and into the trench, and shortly, as the fire slackened, rejoined his company.