Zones of altitude--Politico-economic value of a varied relief--Belief
and climate--Altitude zones of economic and cultural
development--Altitude and density belts in tropical
highlands--Increasing density where altitude confers safety--Geographic
conditions affecting density of mountain population--Terrace
agriculture--Its geographical distribution--Terrace agriculture in
mountainous islands--Among savage peoples--Fertilizing terrace
lands--Economy of level land--Mountain pastures and stock-raising--Life
and industry of the summer herdsmen--Communal ownership of mountain
pastures--Hay making in high mountains--Winter industries of mountain
peoples--Overpopulation and emigration--Preventive checks to increase of
population--Religious celibacy--Polyandry--Marauding tendencies in
mountaineers--Historical consequences of mountain raiding--Conquest of
mountain regions--Political dismemberment of mountain peoples--Types of
mountain states--Significance of their small size--Mountain isolation
and differentiation--Survival of primitive races in mountains--Diversity
of peoples and dialects--Constriction of mountain areas of ethnic
survival--Isolation and retardation of mountain regions--Mental and
moral qualities of mountain people.