At one o'clock on Saturday morning, the 4th of March, the sentinel on duty at the north arch of the Artillery Barracks observed a dense smoke rising from Mr. Parker's house. He gave an alarm; and several of the artillerymen rushed forth, and found the flames bursting from the parlour window. The men rapped at the door with great violence, but no answer was returned. The cry of "Fire" spread; two engines arrived on the spot, and commenced playing into the window. The men then forced the street-door, and rushed into the passage; and from thence they went up stairs into the front room on the first floor. Here the ravages of the fire were perceptible; the furniture of a bed had been partly consumed; but in the bed itself there was no appearance of a human being. The men then ran into the bed-room on the second floor, which was found in flames; but having extinguished them, they continued their search for the inmates of the house; but neither Mr. Parker nor his servant could be found. It was now discovered that the flames were bursting forth with great violence from the parlour below, and that they were spreading rapidly to the upper floor; and every exertion became necessary to procure their suppression. A hole was cut in the floor of the bed-chamber, through which water was poured; and by this means, added to the incessant playing of the engines without, the danger was subdued. In a short time the parlour-door was thrown open, and a man belonging to the artillery having entered, he perceived a heap of something lying behind the door. He attempted to lift it up, when he found it to be the mutilated remains of a human body which was much burnt. A second body, which proved to be that of a female, was found stretched in the same place, although not so much disfigured. A further investigation of the premises now took place, when it was perceived that blankets had been nailed up against every window, as if to conceal the appearance of the flames within. Fire had been communicated in three different places--the parlour on the ground floor; the bed-chamber on the first floor; and the bed-chamber on the second floor. The drawers about the house were found standing open, and articles of apparel were lying about; and in the kitchen, some silver utensils were strewed on the floor. At break of day the bodies of Mr. Parker and his servant were examined, and it was found that the former was burnt nearly to a cinder; the left leg and foot, on which there was a black silk stocking and a shoe, only remained entire. The skull, however, although the flesh was burnt off, remained whole, and afforded convincing testimony of murder: on the left side, towards the back, there was a terrific fracture. The woman lay stretched upon her face; her apparel was partly consumed, and her hair, which was very long, was hanging around her in matted and dishevelled locks. A horrible wound, apparently inflicted with a blunt instrument, was discovered over