THE LIFE OF MAN IN THE POLAR ZONES 322 General: a minimum of life—Culture—Subdivisions of the Arctic zone—Characteristics of the tundra—The reindeer—Population and occupations—Dwellings—Food and clothing—Iceland—The polar ice-cap: the Eskimo —Dwellings—Food and clothing—Travel and transportation —Occupations and arts—Customs—Deserts of sand and deserts of snow.