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Seite 386 - Suggestions to Astronomers for the Observation of the Total Eclipse of the Sun on July 28, 1851.
Seite 322 - About eleven o'clock we struck a vast white plain, uniformly level, and utterly destitute of vegetation or any sign that shrub or plant had ever existed above its snow-like surface. Pausing a few moments to rest our mules and moisten our mouths and throats from the scant supply of beverage in our powder-keg, we entered upon this appalling field of sullen and hoary desolation. It was a scene so entirely new to us, so frightfully forbidding and unearthly in its aspects, that all of us, I believe, though...
Seite 329 - In the remains of an extinct animal world, England is to find the means of increasing her wealth in agricultural produce, as she has already found the great support of her manufacturing industry in fossil fuel — the preserved matter of primeval forests — the remains of a vegetable world.
Seite 1 - ... in the newer secondary groups — in the diffusion of warm-blooded quadrupeds (frequently of unknown genera) in the older tertiary system ; and in their great abundance (and frequently of known genera) in the upper portions of the same series — and lastly, in the recent appearance of man on the surface of the Earth...
Seite 65 - Part I. par. 2843, &c. Now this by the hypothesis is assumed to take place in the atmosphere. Supposing it all at mean temperature, the lines of force would have the direction determined by the arrangement of the power within the earth. Then the sun's presence in the east would make all the atmosphere in that region a worse conductor, and cause it to assume the character of D ; and as the sun came up to and passed over the meridian and away to the west, the atmosphere under his influence would bring...
Seite 21 - I can only compare the capricious chance which has hitherto put us in the exclusive possession of these seven jaws, with the equally strange accident recorded by Dr. Mantell, in his career of discovery in the Wealden. He computed that in the course of twenty years he had found teeth and bones of the Iguanodon which must have belonged to no less than 71 distinct individuals, varying in age and magnitude from the reptile just burst from the egg, to one of which the femur measured 24 inches in circumference....
Seite 287 - Now, is it not more than probable that here we have in the magnetism of the atmosphere that agent which guides the air from the South through the calms of Capricorn, of the equator, and of Cancer, and conducts it into the North...
Seite 243 - Apothem has been applied by some chemists; a similar result is obtained by the evaporation of an infusion of black tea. The same action takes place by the exposure of the infusions of many vegetable substances to the...
Seite 240 - ... as fully master of the subject, as those whose official duty has led them to make it their peculiar study. The first point, to which I wish to call the attention of the committee, is the amount of what may be considered as the probable future income of the country ; and I will begin by recapitulating the result of the accounts for different years, which have been already stated.
Seite 27 - Verneuil, of the vast extent of a marine or brackish-water Aralo-Caspian limestone hundreds of feet above the level of the Mediterranean, may encourage us to hope that we may hereafter be able to find a geological date for the origin of man, less vague than that which we can at present assign to the event. But so far as our interpretation of physical movements has yet gone, we have every reason to infer that the human race is extremely modern, even when compared to the larger number of species now...