Shortly before midnight on Thursday, William E. GRAVES, 23 years old, living at 28 Madison St., Boston and John M. STAFFORD, 37 years of age, residing at 23 Northfield St., both in the employof Metropolitan Railway Co. as conductors, entered the saloon of William F. KERRIGAN, 805 Tremont St. and commenced shaking dice for the drinks. They became involved in a dispute, during which they called one another very uncomplimentary names, The result of the dispute was a murderous blow with a switch-stick struck by Stafford on Grave's head. - Boston Herald,16th (see original) John M. Stafford, formerly of Saint John, has been a horse-car conductor in Boston for some time past.