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 her pleasure, and sharpened her intellectual apprehension of the scene.

When we had satiated our eyes with this spectacle, or rather when I remembered that we could spare no more time to this, the most interesting exhibition of the evening, a turn of the machinery brought Venus under view. Here, however, the cloud envelope baffled us altogether, and her close approach to the horizon soon obliged the director to turn his apparatus in another direction. Two or three of the Asteroids were in view. Pallas especially presented a very interesting spectacle. Not that the difference of distance would have rendered the definition much more perfect than from a Terrestrial standpoint, but that the marvellous perfection of Martial instruments, and in some measure also the rarity of the atmosphere at such a height, rendered possible the use of far higher magnifying powers than our astronomers can employ. I am inclined to agree, from what I saw on this occasion, with those who imagine the Asteroids to be—if not fragments of a broken planet which once existed as a whole—yet in another sense fragmentary spheres, less perfect and with surfaces of much greater proportionate irregularity than those of the larger planets. Next was presented to our view on a somewhat smaller scale, because the area of the chamber employed would not otherwise have given room for the system, the enormous disc and the four satellites of Jupiter. The difference between 400 and 360 millions of miles' distance is, of course, wholly unimportant; but the definition and enlargement were such that the image was perfect, and the details minute and distinct,