Page:Transactions of the Geological Society, 1st series, vol. 1.djvu/105

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VI. Observations on the Physical Structure of Devonshire and Cornwall.
By J. F. Berger, M.D. of Geneva,
Honorary Member of the Geological Society.


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[Translated from the original French Manuscript.]


In venturing to lay before the Geological Society the following observations made in the course of a journey through Devonshire and Cornwall,[1] I do not presume to think that I have by any means comprehended all that is interesting in the physical structure of these counties; many observations, not only of detail, but of higher importance, have no doubt escaped me: all I pretend to do is, to give a general outline of what I have seen, and to connect those observations with such as I have made in the other countries of Europe which I have also visited.

Among the several formations [2] which the greater part of geologists recognize, (understanding by this term not only the

  1. I had the pleasure of making this tour in 1809, in company with Mr. Louis Albert Necker of Geneva, who has since presented to the Geological Society, of which he is an honorary member, a series of specimens, with a descriptive catalogue of the rocks he had collected.
  2. The word formation implies the idea of time or epoch.