IN the matter of appreciation it is with poetry. as with the other arts: one's enjoyment is multiplied considerably by an intelligent understanding of the ' craft' of the art. Thus, as Mr. Ridley will show to-night, it is a real enhancement of the reader's pleasure to know why, in such and such a case, such and such a form was used in preference to any other. For the form that a poem takes in the poet's mind is far from accidental ; sonnet or ode or lyric or epic—all are dictated by the peculiar demands of the subject that has inspired the poet. He mav not even consciously have chosen his medium; it will probably have dictated itself; but there will bo no mistaking its rightness—or wrongness—when the poem is made.