TABLE OF CONTENTS. 
_Cuap. I, General Remarks on the Pacific Ocean, - . : - 
Topography, - - : - : - = 
oan General Geological Constitution of Islands, - - - 
Geological agencies, —- : - é ¢ : 
Cuap. II. On Coral Formations, - : - : - - 
1, Features and Structure, - : : 5 4 
General Remarks, - : : : 2 
Fringing and Barrier Reefs, - - : : 
Forms, - - : 5 4 a 
Structure, - - - A 7 : 
Thickness, : 5 : : : 
Coral Islands, - - . : : s 
Forms, - : : 3 : : 
Structure, - 2 2 & 
Completed Coral Island, - ° ° 3 
2. On Coral Zoophytes, . - : é mc 
Structure and growth, - *> a 2 ‘ 
Texture and composition of Corals, - - s 
Causes influencing growth, - : - - 
Rate of growth, - - : os. P 
3. Formation of Reefs and causes of their features and Geographi- 
cal Distribution, - E . 4 2 
Formation, : S : : : 
2 Causes modifying their forms and growth, - - 
* Rate of growth of Reefs, - : : < 2 
Gugin of forms of Barrier Reefs and Atolls, —- 
eographical Distribution, - . - : : 
4, Geological Conclusions, - - - c : 
Cuar. III. On the Hawaiian Islands, - : E z : : 
1. Island of Hawaii, 
101 
103 
103 
114 
121 
123 
134 
147 
155 
158 
