Coral Reefs; Volcanic Islands; South American Geology — CompleteNote 9 — Chapter VI · ON THE DISTRIBUTION OF CORAL-REEFS WITH REFERENCE TO THE THEORY OF THEIR FORMATIONReading edition“Remarks on Coral Formations,” p. 51.◇Copy noteReturn to Chapter VI ON THE DISTRIBUTION OF CORAL-REEFS WITH REFERENCE TO THE THEORY OF THEIR FORMATION