Obituary.DEATH OF BRIGADIER GENERAL GARLAND, 0. 8. A.Brigadier General John Garland, or the United States Army, died at the New York Hotel, in this city, onWednesday, the 5th inst., after a protracted illness, inthe sixty ninth year of his age.General Garland was a native of .Virginia, and enteredthe United States Army, as a First Lieutenant in theThirty-fifth regiment of infantry (old organization),March 31,1813. At the ieorganization of the army, in1815, he W88 returned and transferred to the Third ia-fintry. He was subsequently promoted to a captaincy,May, 1817; Assistant Quartermaster, May, 1826; Brevet Major, for ten years consecutive service, May, 1827: Major in the First inTantry, October, 1836; Lieutenant Colonel Fourth infantry, November, 1839. He distinguished himself under Col. Worth in the Florida war. At the declaration of the war with Mexico he was ordered to the Rio Grande, and took an active part in command at the battles of Palo Alto and Resaca de la Palma, for which he received the honorary rank of Brevet Colonel. He was next in command of a brigade in General Twiggs' division at the battle of Monterey, and La a similar capacity In General Worth’s division in the operations on the line from Vera Cruz to the city of Mexico. He was honored with the rank of Brevet Brigadier General for gallant and meritorious conduct in the battles ef Contreras and Cbembusco, August 20, 1847, and subsequently distinguished himself in the bloody conflict at Mollno del Rey and the capture of the city or Mexico, in which conflict be was severely wounded. With how much of judgment and bravery this long Rervice has been discharged the recorded history of these wars and his rapid promotion bear ample testimony.On Thursday his two sons and a number of his friend* toe k the remains in charge and escorted them from the hotel, where he expired, to the Jersey City railroad depot and thence convened them to Washington, where he is to be interred in the same tomb with his lamented consort, Mrs. Garland.