MEETING PUNANS, THE SHY JUNGLE PEOPLE—DOWN THE RIVER AGAIN—MY ENTHUSIASTIC BOATMEN-MALAYS VERSUS DAYAKSRESUMPTION OF MY JOURNEY UP THE KAYAN RIVER—LONG PANGIAN—BERI-BERI— HINTS ON PROPER PROVISIONS—KENYAHS FROM CENTRAL BORNEO—EFFECT OF A SPIDER'S BITECHAPTER VI