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Page 134 - the extinction of the less improved forms. Thus from the war of nature, from famine and death, the most exalted objects which we are capable of conceiving, namely, the production of the higher animals, directly follows.
Page 122 - First, forms minute, unseen by spheric glass, Move on the mud, or pierce the watery mass ; These, as successive generations bloom, New powers acquire, and larger limbs assume ; Whence countless groups of vegetation spring, And breathing realms of fin, and feet, and wing.
Page 188 - Pressure exerted anywhere upon a mass of liquid is transmitted undiminished in all directions, and acts with the same force on all equal surfaces, and in a direction at right angles to those surfaces
Page 122 - were probably peopled with vegetable productions long before the existence of animals, and many families of these animals long before other families of them ; shall we conjecture that one and the same kind of living filament is and has been the cause of all organic life
Page 97 - The squares of the period of complete revolution, or periodic times of any two planets, are proportional to the cubes of their mean distances from the
Page 130 - of Him to whom a thousand years are as one day, thus to impress His will once for all on His creation, and provide for all its countless varieties by this one original impress, than by special acts of creation, to be perpetually modifying what He had previously made.
Page 123 - conclude that they have alike been produced from a similar living filament. In some this filament in its advance to maturity has acquired hands and fingers with a fine sense of touch, as in mankind. In others it has acquired claws
Page 123 - as in seals and geese. In others, it has acquired cloven hoofs, as in cows and swine, and whole hoofs in others, as in the horse ; while in the bird kind this original living filament has put forth wings instead of arms or legs, and feathers instead of hair.
Page 157 - Aqueous vapour is a blanket more necessary to the vegetable life of England than clothing is to man. Remove for a single summer night the aqueous vapour from the air which overspreads