When I speak of the modern drama, it must be well understood that I refer only to what is actually happening in those regions of dramatic literature which truly are new, for all that they may be, as yet, but sparsely inhabited. Lower down, in the ordinary theatre, it may well be that the ordinary and traditional drama is in its turn undergoing, be it ever so slowly, the influence of the theatre of the advance-guard; but it were useless to wait for the laggards ...