MRS. Amy Somers, in a lightly floating tea-gown of singularly becoming texture and color, employs the last moments of expectance before the arrival of her guests in marching up and down in front of the mirror which fills the space between the long windows of her drawing-room, looking over either shoulder for different effects of the drifting and eddying train, and advancing upon her image with certain little bobs and bows, and retreating from it with...