Date-tree 155 Dragon-tree at Orotava 123 Fig-tree at Polanarrua 136 Indigo Plant 193 Mangosteen 173 Mangrove-tree 140 Mimosa 135 Nepenthes 12 Nutmeg 202 Oil Palm 157 Pepper Plant 202 Snake-tree 139 Sugar Cane 174 Sycamore 124 Yriartea ventricosa 161 Polynesian fishermen 276 Reptiles:-- Alligator 333 Amblyrhyne 321 Basilisk 318 Chameleon 313 Crocodiles and Alligators 332 Flying Dragon 318 Gecko 311 Iguana 314 Monitor 315 Rattlesnake 298 Toad, Bahia 319 Surinam 318 Toad and Anolis 310 Tortoise, Marsh 324 Turtle, Green 329 Loggerhead 331 Uropeltis Philippinus 292 Tower in Agades 93 Tropical Tornado 1 [Illustration: TROPICAL TORNADO.] CHAPTER I. THE DIVERSITY OF CLIMATES WITHIN THE TROPICS. Causes by which it is produced--Abundance and Distribution of Rain within the Tropics--The Trade Winds--The Belt of Calms--Tropical Rains--The Monsoons--Tornados--Cyclones--Typhoons--Storms in the Pacific--Devastations caused by Hurricanes on Pitcairn Island and Rarotonga.