I A CONNOISSEUR'S VAGARY II THE FIRST TRAGEDY III THE WOUNDED HAND IV THE THUNDERBOLT V GRADY TAKES A HAND VI THE WOMAN IN THE CASE VII ROGERS GETS A SHOCK VIII PRECAUTIONS IX GUESSES AT THE RIDDLE X PREPARATIONS XI THE BURNING EYES XII GODFREY IS FRIGHTENED XIII A DISTINGUISHED CALLER XIV THE VEILED LADY XV THE SECRET OF THE UNKNOWN FRENCHMAN XVI PHILIP VANTINE'S CALLER XVII ENTER M. ARMAND XVIII I PART WITH THE BOULE CABINET XIX "LA MORT!" XX THE ESCAPE XXI GODFREY WEAVES A ROMANCE XXII "CROCHARD, L'INVINCIBLE!" XXIII WE MEET M. PIGOT XXIV THE SECRET OF THE CABINET XXV THE MICHAELOVITCH DIAMON…
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