Page:The Seasons - Thomson (1791).djvu/46

XXXIV cause and effect, upon which all those appearances in Nature depend, from whence the descriptive poet draws his materials.

, in its most extensive signification, includes every observation relative to the distinctions, resemblances, and changes of all the bodies, both animate and inanimate, which Nature offers to us. These observations, however, deserve to be considered as part of a science only when they refer to some general truth, and form a link of that vast chain which connects all created being in one grand system. It was my attempt in an Essay lately published, to show how necessary a more accurate and scientific survey of natural objects than has usually been taken, was to the avoiding the common defects, and attaining the highest beauties of descriptive poetry; and some of the most striking examples of excellence arising from this source were extracted from the poem now before us. It will be unnecessary here to recapitulate the substance of these remarks, or to mark out singly the several passages of our author which display his talents for description to the greatest advantage. Our present design rather requires such a general view of the materials he has collected, and the method in which he has arranged them, as may shew in what degree they forward and coincide with the plan of his work.

correspondence between certain changes in the animal and vegetable tribes, and those revolutions of the heavenly bodies which produce the vicissitudes of the Seasons, is the foundation of an alliance between Astronomy and Natural History, that equally demands attention as a matter of curious speculation, and of practical utility. The astronomical calendar, filled up by the Naturalist, is a combination of