MAPS
| PAGE | |
|---|---|
| The pearling regions in Ceylon and British India | [129] |
| Persian Gulf and the Red Sea, the pearling center of the world | [140] |
| The pearling regions in Oceania and Malaysia | [191] |
| Venezuela and Panama, the principal pearling regions of South America | [227] |
| Gulf of California and the pearling territory of western Mexico | [243] |