The attempt on the life of Secretary Seward was perhaps as daring, if not so dramatic, as the assassination of the President. At 9:20 o'clock a man, tall, athletic, and dressed in light coloured clothes, alighted from a horse in front of Mr. Seward's residence in Madison place, where the secretary was lying, very feeble from his recent injuries. The house, a solid three-story brick building, was formerly the old Washington Club-house. Leaving his horse standing, the stranger rang at the door, and informed the servant who admitted him that he desired to see Mr. Seward. The servant responded that Mr. Seward was very ill, and that no visitors were admitted. "But I am a messenger from Dr. Verdi, Mr. Seward's physician; I have a prescription which I must deliver to him myself." The servant still demurring, the stranger, without further parley, pushed him aside and ascended the stairs. Moving to the right, he proceeded towards Mr. Seward's room, and was about to enter it, when Mr. Frederick Seward appeared from an opposite doorway and demanded his business. He responded in the same manner as to the servant below, but being met with a refusal, suddenly closed the controversy by striking Mr. Seward a severe and perhaps mortal blow across the forehead with the butt of a pistol. As the first victim fell, Major Seward, another and younger son of the secretary, emerged from his father's room. Without a word the man drew a knife and struck the major several blows with it, rushing into the chamber as he did so; then, after dealing the nurse a horrible wound across the bowels, he sprang to the bed upon which the secretary lay, stabbing him once in the face and neck. Mr. Seward arose convulsively and fell from the bed to the floor. Turning and brandishing his knife anew, the assassin fled from the room, cleared the prostrate form of Frederick Seward in the hall, descended the stairs in three leaps, and was out of the door and upon his horse in an instant. It is stated by a person who saw him mount that, although he leaped upon his horse with most unseemly haste, he trotted away around the corner of the block with circumspect deliberation. Around both the house on Tenth street and the residence of Secretary Seward, as the fact of both tragedies became generally known, crowds soon gathered so vast and tumultuous that military guards scarcely sufficed to keep them from the doors.