Mummy Was Old Outlaw LOS ANGELES (AP) - The mummified corpse, once thought to be a wax dummy, which was found hanging from an amusement park gallows this week appears to be that of an old-time Oklahoma train robber. It was just about 65 years ago that Elmer McCurdy vowed he never would be taken alive and died in a gun battle with a sheriff's posse near Pawhuska, Okla. As often was the custom in those days, the outlaw's body was sold to a traveling sideshow. More than half a century later, it ended up at the Hollywood Wax Museum, along with all the mies. Eventually, it was sold to an amusement park, painted fluorescent red and hung from a gallows. Everyone seemed to think it was a wax dummy until an arm fell off this: week, exposing a human bone. The saga of Elmer McCurdy's corpse was pieced together after an autopsy and some historical research in Oklahoma. Authorities, however, said the official identification still was only tentative. Dental tests were ordered. Coroner's officials said they performed an autopsy yesterday and found inside the body an old-style copper jacketedbullet. It was this bullet, apparently, that ended the life of Elmer McCurdy. McCurdy was a member of the gang that robbed a train in Osage County, Okla. The others were captured, but McCurdy, true to his vow, died in a half-hour gun battle with a posse near Pawhuska in October 1911, officials said. McCurdy's body, hardened by embalming fluid, was sold to the carnival operator by an Oklahoma sheriff.