Sentence Examples

  • In 1819, in the course of a tour through France, he made the volcanic district of Auvergne a special study, and his Letters on the Volcanos of Auvergne were published in The Edinburgh Journal, 1820-21.
  • By subsequent journeys in Hungary, Transylvania, Italy, Sicily, France and Germany he extended his knowledge of volcanic phenomena; and in 1826 the results of his observations were given in a work entitled A Description of Active and Extinct Volcanos (2nd ed., 1848).