THE WAR CHANGES MY PLANS—CHOLERA—UP THE GREAT BARITO RIVER—PURUK TJAHU— DECIDE TO STAY AMONG THE MURUNGS—A DANCING FEASTDAYAK CURE OF DISEASE—EVIL SPIRITS AND GOOD—ANIMISM—BLIANS, THE PRIEST-DOCTORS—THE FEAST OF RUBBER-GATHERERS—WEDDINGS—IN PRIMITIVE SURROUNDINGSCHAPTER XIII