A VISIT TO KUALA KAPUAS—A BREED OF STUMP-TAILED DOGS—THE SHORT-TAILED CATS OF BORNEO—A SECOND EXPEDITION TO LAKE SEMBULO-NATIVES UNDISMAYED BY BERI-BERI—THE TAMOANS—THE PRACTICE OF INCISION1. THE MOTHERLESS BOYFOLKLORE OF SOME OF THE TRIBES IN DUTCH BORNEO VISITED BY THE AUTHOR