FORT WORTH, TX.- Museum Director Ron Tyler announces that the Amon Carter Museum has modified its name: the longtime institution is now known as the Amon Carter Museum of American Art. The museum was established in 1961 to house Amon G. Carters collection of paintings and sculpture by Frederic Remington and Charles M. Russell, the two greatest artists of the American West, Tyler says. But from the beginning, the Amon G. Carter Foundation and the Carter family intended the museum to be a vibrant and evolving institution. Mitchell A. Wilder, the museums first director, believed the history of American art could be interpreted as the history of artists working on successive frontiers, both geographic and artistic. The Carters mission would no longer be limited to western art, he said in an interview in 1967. Indeed, to understand the West, he said, the Eas