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10 and warm pressure of the hand. Ah! here are mysteries and depths of skill, beyond the power of human science to fathom or unfold. Then note the blood-vessels, those little rills, pervading every part of this inner landscape which God looks upon, and carrying nourishment and freshness everywhere, and sustaining the whole; those channels, some large and swelling, some finer than a hair, through which the red blood courses on its errands, whether to sustain the foot in its step, the arm in its stroke, or to mantle with soft blushes the cheek of beauty, and tell, without words, the eloquent tale of love.

Examine, next, the remarkable structure of the ear,—the tympanum and its delicate membrane, the little chain of bones connecting the outer with the inner ear, the hammer and anvil, and the little stirrup, whereby the posting sound mounts, as it were, the ready nerve, to carry its message. When conversing with a friend, or listening to a discourse, or rapt with the sweet strains of music, how seldom do we reflect on the curious and wonderful apparatus, with which our All-wise Creator has furnished us, as the means of such enjoyment!

Look, again, at the eye,—with its transparent coats and humors, and its retina on which are pictured with wonderful rapidity and exactness the objects and scenes that pass before it,—varying in size from a needle's point to a wide landscape, and changing, in character, from the familiar face of a friend, wreathed with smiles, to an armed host of hostile myriads drawn up in battle array. How wonderful, too, the structure of the pupil, the inlet for these pictures, with its iris or coloured circle of muscles, by means of which the opening is enlarged or diminished at pleasure, contracting under the