CONTENTS 



TEOPICAL NATURE AND OTHER ESSAYS 



I. THE CLIMATE AND PHYSICAL ASPECTS OF THE EQUATORIAL 



ZONE 



The three Climatal Zones of the Earth Temperature of the Equatorial 

 Zone Causes of the Uniform High Temperature near the Equator 

 Influence of the Heat of the Soil Influence of the Aqueous Vapour 

 of the Atmosphere Influence of Winds on the Temperature of the 

 Equator Heat due to the Condensation of Atmospheric Vapour 

 General Features of the Equatorial Climate Uniformity of the 

 Equatorial Climate in all Parts of the Globe Effects of Vegetation 

 on Climate Short Twilight of the Equatorial Zone The Aspect of 

 the Equatorial Heavens Intensity of Meteorological Phenomena at 

 the Equator Concluding Remarks . . Pages 217-237 



II. EQUATORIAL VEGETATION 



The Equatorial Forest-belt and its Causes General Features of the Equa- 

 torial Forests Characteristics of the Larger Forest-TreesFlowering 

 Trunks and their Probable Cause Uses of Equatorial Forest-trees 

 The Climbing Plants of the Equatorial Forests Palms Uses of Palm- 

 trees and their Products Ferns Ginger-worts and Wild Bananas 

 Arums Screw- pines Orchids Bamboos Uses of the Bamboo Man- 

 groves Sensitive Plants Comparative Scarcity of Flowers Con- 

 cluding Remarks on Tropical Vegetation . . . 238-269 



III. ANIMAL LIFE IN THE TROPICAL FORESTS 



Difficulties of the Subject General Aspect of the Animal Life of Equa- 

 torial Forests Diurnal Lepidoptera or Butterflies Peculiar Habits of 

 Tropical Butterflies Ants, Wasps, and Bees Ants Special Rela- 

 tions between Ants and Vegetation Wasps and Bees Orthoptera 

 and other Insects Beetles Wingless Insects General Observations 

 on Tropical Insects Birds Parrots Pigeons Picarise Cuckoos 

 Trogons, Barbets, Toucans, and Hornbills Passeres Reptiles and 

 Amphibia : Lizards Snakes Frogs and Toads Mammalia : Mon- 

 keysBatsSummary of the Aspects of Animal Life in the Tropics 



270-311 



