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ight angles just within the margin of the hairy scalp. The regiment was at the time to all intents and purposes outside the range of rifle fire, and the patient was the only individual struck among its number. When brought into the Highland Brigade Field Hospital, a single typical entry wound was discovered; examination with the probe gave evidence of a slight depression in the external table of the frontal bone just above the temporal ridge. Although no perforation was detectible by the probe, and this was positively excluded on the raising of a flap (Major Murray, R.A.M.C.), it was considered advisable to remove a 1/4-inch trephine crown, the pin of the instrument being applied to the margin of the depression. No depression or splintering of the internal table was discovered, nor any injury to the dura, nor blood upon the surface of that membrane. The man made an uninterrupted recovery. (46) A case of frontal injury was shown to me at Wynberg, in which a distinct furrow could be traced across the upper part of the frontal sinuses. There had been no symptoms beyond temporary diplopia, and the wound was healed; no surgical interference had been deemed necessary. (47) In a man wounded at Poplar Grove, a single typical wound of entry was found 3/4 of an inch above the right eyebrow and the same distance from the median line. No primary symptoms were observed, but on the evening of the second day the temperature rose above 100 deg. F., and the man seemed somewhat heavy and dull. The patient was examined by Major Fiaschi and Mr. Watson Cheyne, and it was decided to explore the wound. Mr. Cheyne removed fragments both of external and internal tables, one of the latter having made a punctiform opening, not admitting the finest probe, in the dura-mater. The bullet was traced into the nasal fossae, where it was subsequently localised with the aid of the Roentgen rays when the patient came under my observation at Wynberg some days later (fig. 60). _Gunshot fracture of the skull with concurrent brain injury._--This was the commonest form of head injury, and possessed two main peculiarities; firstly, the large amount of brain destruction compared with the extent of the bone lesion; secondly, the fact that any region of the skull was equally open to damage. In co
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