Orville Ewing Colorado artist and his ox team, accompanied by a coat and dog, bound for the World's Fair on Treasure Island in San Francisco Bay, today were “resting up” in Arcadia on orders of Hu mane Officer C. Jerry Jones Investigating the fair-bound ‘“‘con traption” yesterday afternoon as it passed through Arcadia, Jones found that Ewing was using inner tubes for shoes on the oxen to pro tect worn and feverish hooves from the pavement, ‘REST UP' Accepting the officer's recom mendation to “rest up” until the animals were ready to travel on, Ewing made arrangements to “pitch camp” at the Pony Express Museum for a few days Ewing told Officer Jones he had started his San Francisco trip from Pritchett, Colo. on March 10.