Coral Reefs; Volcanic Islands; South American Geology — Complete
Chapter 4
_Section I_—ON THE DISTRIBUTION OF CORAL-REEFS, AND ON THE CONDITIONS FAVOURABLE TO THEIR INCREASE.
_Section II_—ON THE RATE OF GROWTH OF CORAL-REEFS.
_Section III_—ON THE DEPTHS AT WHICH REEF-BUILDING POLYPIFERS CAN LIVE.