ILLUSTRATIONS xix 



FIG. PAGE 



6"0. Photograph of a Coral Colony that has Living Zooids over 



its Entire Surface 249 



61. Three Figures showing the Formation of a Crescent-shaped 



Island from some Original Obstruction to the Waves 258 



62. Chart of the Cosos Atoll 260 



63. Photograph of a Boulder of Alga-covered dead Coral Rock 265 

 64: Diagram to illustrate the Development of Keeling Atoll, 



Stage I. 272 



65. Diagram to illustrate the Development of Keeling Atoll^ 



Stage II. 273 



66. Diagram to illustrate the Development of Keeling Atoll^ 



Stage III. 274 



67. Diagram to illustrate the Development of Keeling Atoll, 



Stage IV. 275 



68. Diagram to illustrate the Development of Keeling Atoll, 



Stage V. 276 



69. The Robber Crab 317 



70. Small Crab that holds in its Claws two small Bouquets of 



Living Algae 319 



71. A Mixed Catch of Cocos-Keeling Fish 320 



72. Landing a small Black and White Shark on the Seaward 



Beaclr of Pubi Tikus 321 



73. A Baracouta taken on a Trolling Line in the Lagoon 323 



74. The Ikan Pareh {Dicerohatis Eregoodoo) 324 



75. The " Green Fish/' Ikcm Ijou {Pseudoscarus) 326 



76. The Ikan Bunted {Tetrodon Pafocu) 328 



77. Egg of Gygis Candida, laid on the Branch of a Grongang 



Tree 340 



78. Gi/gis cajidida sitting on its ¥ugg 341 



79. Young G^ygis Candida, soon about to take its first flight 342 



