The Tropical World Aspects of man and nature in the equatorial regions of the globe.
CHAPTER VIII.
THE MEXICAN PLATEAUS, AND THE SLOPES OF SIKKIM.
Geological Formation of Mexico--The _Tierra Caliente_--The _Tierra Templada_--The _Tierra Fria_.
The Sylvan Wonders of Sikkim--Changes of the Forest on ascending-- The Torrid Zone of Vegetation--The Temperate Zone--The Coniferous Belt--Limits of Arboreal Vegetation--Animal Life 79