Page:Darwin Journal of Researches.djvu/21

This page has been validated.
xv
CONTENTS.

  1.  
    CHAPTER XXI.
  2. Mauritius, beautiful appearance of—Great crateriform Ring of Mountains—Hindoos—St. Helena—History of the Changes in the Vegetation—Cause of the Extinction of Land Shells—Ascension—Variation in the imported Rats—Volcanic Bombs—Beds of Infusoria—Bahia—Brazil—Splendour of Tropical Scenery—Pernambuco—Singular Reef—Slavery—Return to England—Retrospect on our Voyage
    ................................................................................................................................................................................................................................................................................................................................................................................................
    Page 483
  3. ................................................................................................................................................................................................................................................................................................................................................................................................
    507