an ascending current of heated air isalmost always evident such upward currents

An ascending current of heated air isalmost always

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an ascending current of heated air isalmost always evident: such upward currents, it has been remarked,are also shown by the ascent of soap-bubbles, which will not risein an indoors room. fear of, anacquired instinct. Caldcleugh in "Philosophical Transactions" 1836. Berteroii. Near Keeling Atoll, in the Indian Ocean, I observed many littlemasses of confervae a few inches square, consisting of longcylindrical threads of excessive thinness, so as to be barelyvisible to the naked eye, mingled with other rather larger bodies,finely conical at both ends. Itmerely consists of a few broken branches stuck in the ground, andvery imperfectly thatched on one side with a few tufts of grass andrushes. Indian Families. This is a most interesting and important discovery. Proceeding farther inland, the countryimproves: beautiful villas and nice cottages are here and therescattered along the beach. ))OCTOBER 1, 1833. At the height of a hundred feet the hills were buriedin a dense white vapour, which rose like columns of smoke from themost thickly-wooded parts, and especially from the valleys.
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  • Spring '18
  • Tierra del Fuego, Buenos Ayres, Tierra del, Bay of Islands, Keeling Atoll

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