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Come, gentle SPRING, ÆTHEREAL MILDNESS, come,
And from t'e Bofom of yon dropping Cloud,
Of jadowing Roses, on our Plains descend He inscribes the Poem; and soon after begins the magnificent Description thus
At last from Aries rolls the bounteous Sun,
Fleecy and white o'er all-surrounding Heaven.
Joyous th’impatient Husbandman perceives
Nor thro' the lenient Air alone, this Change
And swells, and deepens to the cherish'd Eye. • Having beautifully described the Vegetation and wona
drous Growth of all Kinds of Plants; he next descants on the Influence of the Spring on animated Bodies, and first on the feathered Kind.
Lend me your Song, ye Nightingales? O pour
Just as the Spirit of Love is sent abroad,
Are prodigal of Harmony. It would be tedious to pursue him thro' all his fine Reflections on the vernal Seafon, and its agreeable and beneficent Effects on all the World. I fear I have tired your Patience already; but, my dear Euphrosyne, I know you'll forgive a Digression of this Kind, were it much longer, in Complaisance to the Muses.
Euphrof. I hear you with equal Patience and Pleasure.-This happy Season can't be too much extolled,
- But, see, the Earth is moved far on; the Spring begins to give Way to Summer, which I suppose will here succeed, as it does in Nature. "
Cleon. In the very fame Manner. As the Middle of the Spring Season is about the 20th of March, when the Sun (S) appears in the Beginning of Aries (M); so about the Beginning of May, the Spring ends, and the Summer Season commences, which we will next con. template on the Orrery.
Sun (ahe Begion comme
Cleon. To explain that, is one great Design of the Orrery.--In order to which, you must consider, and understand, that the principal Characteristics of Summer are two, viz. (1.) The Days are then longet ; and (2.) The Heat is most intense. How the Days are now longest, I shall explain to you at large, after we have done with the Seasons. “I shall now only shew you why the Heat is greater with us than at any other Time of the Year.
Euphrof. Why do you say, with us, so emphatically, Cleonicus ?
Cleon. Because with respect to the Earth in general, the Sun's Heat is nearly always the same ; but greater or lesser only in regard of some particular Place at some certain Seasons of the Year, as with us when the Sun appears in Cancer ( ); for at that very Time it is coldest in some other part of the Earth.
Euphrof. But what I want to know is, how it comes to pass, that it is sometimes very hot, and sometimes very cold at different Times of the Year in the same Place?
Cleon. The Reason of that will easily be understood, if you remember what I observed to you about the Axis of the Earth (N S) not being perpendicular to the Plane of the Ecliptic (or) but inclined thereto; and also, that the Earth so moves as always to have its Axis parallel to itself, or pointing to the same Part of the Heavens.
Euphrof. I remember that very well, and now I look on the Earth, I readily see what follows, viz. the