Barkley added all four conversions and the one sour note for Bath was scrum-half Michael Claassens's sin-binning for cynically killing the ball at a ruck right on the hosts' tryline.
Trip leaders, 29-year-old Michael "Spike" Reid, from Plymouth, who shot the bear and Andrew Ruck, 27, who is from Brighton but lives in Edinburgh, left hospital on Monday morning, a spokesman for the University Hospital in Tromso said.