WAR-OFFICE, Jan. 10.—Royal Regt. Horse Guards—Lord 0. A. Fitzgerald to be Comet, by purchase, vice G. East, who retires. 5th Drag. Guards—G. Fisher, Gent, to be Veterinary-Burg. vice J. Constant, who retires upon half-pay. 17th Light Drags,, —lAeut. A. Hamilton to be Capt. by purchase, Nice Pahner, who retires ; Comet E. 0.4.. Haworth to be Lieut. by purchase, vice Hamilton; J. C. W. Russell, Gene to be Comet, by purchase, vice Haworth. 87th Foot—See.-Lient. A. H. Cobbe to be First-Lieut. by purchase, vice Willington, who retires; H. S. Sayrtree, Gent, to be Sec.-Lieut. by pug. chase, vice Cobbc. Memorandum—The Christian names of Ensign Kingsley, of the alst Foot, arc L. • ward William Pineke.