CASE.—Private John S——, Co. D, 170th New York Volunteers, aged 52 years, was wounded at the battle of North Anna River, Virginia, May 24th, 1864, by a conoidal musket ball, which caused a depressed fracture of the parietal bone. He was admitted into field hospital, 2d division, Second Corps, and thence sent to the Emory Hospital, Washington, May 29th. His mind being weak and wandering, Surgeon N. R. Moseley, U. S. V., elevated and removed a portion of depressed bone. Cold water dressings and light compression were applied to the wound. The patient died on June 8th, 1864. The pathological specimen is No. 4726, Sect. I, A. M. M., consisting of eight small fragments of bone, principally from the inner table, the largest being about one-half inch in width and three-fourths of an inch in length, contributed by Surgeon N. R. Moseley, U. S. V.