BORNEO—CLIMATIC AND BIOLOGICAL CONDITIONS—NATURAL RESOURCES—POPULATION— HISTORY—GOVERNMENT OF THE NATIVES—RACIAL PROBLEMSBANDJERMASIN, THE PRINCIPAL TOWN IN DUTCH BORNEO—NORTHWARD ALONG THE EAST COAST—BALIK PAPAN, AN OIL PRODUCING CENTRE—SAMARINDA—TANDJONG SELOR—THE SULTAN-UP THE KAYAN RIVERCHAPTER III