Several of the inhabitants of Cato-street had observed, since the preceding Monday, strange-looking men coming about the empty premises. On the morning of Wednesday, (the day of the arrest) they saw Davidson, the man of colour, and three others, watching at different ends of the street, while some of their associates were heard nailing up the windows within the loft. Before dusk Davidson again made his appearance, with a sack on his back, which the neighbours at the time supposed to contain carpenters’ tools for repairing or new-modelling the interior of the building, but which had in fact conveyed the arms with which they were to equip themselves for their daring enterprise. After the arsenal was formed, the band arrived; and the people in the public-house were surprised, if not alarmed, to see upwards of twenty persons, entire strangers to the place, hovering about their premises, and at last entering the den. Still they had no suspicion of what was going forward, and no presentiment of what was in a short time to occur. The police soon arrived, and the murderous struggle took place which we have already described. The body of Smithers, who was murdered, was removed to the Horse and Groom public-house, opposite. He must have died instantly, and without convulsion. He received only one wound, about an inch below his right breast, and about an inch in width. His body was exposed in a room on the first floor of the public-house, above-mentioned, in the dress in which he was killed. His breast and neck were covered with blood, but his countenance was as placid, and his features as composed, as if their expression had been arrested, and life extinguished, during a tranquil sleep. On his death being mentioned to Lord Sidmouth, his Lordship expressed great regret at the event, and sympathy for his surviving widow; saying, with great humanity, that, as he could not, restore to her her husband, he would take care that she should not want his assistance in a pecuniary point of view. The unfortunate man’s sister, from Putney, was one of the first to view the dead body of her brother, and deeply affected the spectators with the poignancy of her sorrow. The sword with which the murder of Smithers was perpetrated is of foreign manufacture, and nearly a foot longer than those which we are ordinarily in the habit of seeing.