Rhythm is a species of natural but inarticulate language, in which the _thought_ is never disengaged from the _feeling_; in language its aim should be to awaken the _feeling_ properly attached to the thought it modulates; it should be the _tune_ of the thought of the Poet. To write a love song in alexandrines, an idyl in hexameters, would be to incarnate the shy spirit of a girl in the brawny frame of a Hercules, to incase the loving soul of a Juliet in a gauntleted Minerva. Genius and deep sympathy with human nature can alone guide the Poet aright in this delicate and difficult path; it lies too near the core of our unconscious being to be susceptible of the trim regularity of rule--he must trust his own intuitions while he studies with care what has already been successfully done by our best poets. We may however remark in passing that if the rhythm be abruptly broken without a corresponding break in the flow of thought or feeling, the reader will be confused, because the outward form has fallen into contradiction with its inner soul, and he discerns the opposition, and knows not with which to sympathize. Such contrarieties argue want of power or want of freedom in the poet, who should never suffer the clanking of his rhythmical chains to be heard. Such causeless breaks proceed from want of truth to the subject, and prove a lack of the careful rendering of love in the author. The poet must listen to the naive voice of nature as he moulds his rhythms, for the ingenious and elaborate constructions of the intellect alone will never touch the heart. Rhythm may proceed with regularity, yet that regularity be so relieved from monotony and so modified in its actual effects, that however regular may be the structure of parts, what is composed of them may be infinitely various. Milton's exquisite poem, 'Comus,' is an example of perfect rhythm with ceaseless intricacy and great variety. It would indeed be a fatal mistake to suppose that _proportion_ cannot be susceptible of great variety, since the whole meaning of the term has reference to the adjustment and proportional correspondence of _variable_ properties. The appreciation of rhythm is universal, pertaining to no region, race, nor era, in especial. Even those who have never _thought_ about it, _feel_ order to be the law of life and happiness, and in the marking of the _proportioned_ flow of time and the regular accentuation of its _determinate_ portions find a perpetual source of healthful pleasure. If we will but think of it, we will be astonished how many ideas already analyzed we may find exhibited through rhythm. We may have: similarity, variety, identity, repetition, adaptation, symmetry, proportion, fitness, melody, harmony, order, and unity; in addition to the varied feelings of which it becomes the symbolic utterance. The Greeks placed rhythms in the hands of a god, thus testifying to their knowledge of their range and power. Wordsworth asserts that