The absence of this thoroughness in such acting as that of Edwin Booth would instantly be felt; its presence is seldom adequately appreciated. We feel the perfect charm of the illusion in the great fourth act of _Richelieu_--one of the most thrilling situations, as Booth fills it, that ever were created upon the stage; but we should not feel this had not the foreground of character, incident, and experience been prepared with consummate thoroughness. The character of Richelieu is one that the elder Booth could never act. He tried it once, upon urgent solicitation, but he had not proceeded far before he caught Joseph around the waist, and with that astonished friar in his arms proceeded to dash into a waltz, over which the curtain was dropped. He had no sympathy with the moonlight mistiness and lace-like complexity of that weird and many-fibred nature. It lacked for him the reality of the imagination, the trumpet blare and tempest rush of active passion. But Edwin Booth, coming after Forrest, who was its original in America, has made Richelieu so entirely his own that no actor living can stand a comparison with him in the character. Macready was the first representative of the part, as everybody knows, and his performance of it was deemed magnificent; but when Edwin Booth acted it in London in 1880, old John Ryder, the friend and advocate of Macready, who had participated with him in all his plays, said to the American tragedian, with a broken voice and with tears in his eyes, "You have thrown down my idol." Two at least of those great moments in acting that everybody remembers were furnished by Booth in this character--the defiance of the masked assailant, at Rouel, and the threat of excommunication delivered upon Barradas. No spectator possessed of imagination and sensibility ever saw, without utter forgetfulness of the stage, the imperial entrance of that Richelieu into the gardens of the Louvre and into the sullen presence of hostile majesty. The same spell of genius is felt in kindred moments of his greater impersonations. His Iago, standing in the dark street, with sword in hand, above the prostrate bodies of Cassio and Roderigo, and as the sudden impulse to murder them strikes his brain, breathing out in a blood-curdling whisper, "How silent is this town!" his Bertuccio, begging at the door of the banquet-hall, and breaking down in hysterics of affected glee and maddening agony; his Lear, at that supreme moment of intolerable torture when he parts away from Goneril and Regan, with his wild scream of revenges that shall be the terrors of the earth; his Richard the Third, with the gigantic effrontery of his "Call him again," and with his whole matchless and wonderful utterance of the awful remorse speech with which the king awakens from his last earthly sleep--those, among many others, rank with the best dramatic images that ever were chronicled, and may well be cited to illustrate Booth's invincible and splendid adequacy at the great moments of his art.