MUSEUM MEMO.

What's new in museums around the country? Among the more interesting exhibitions on view are:

Georgia O'Keeffe and Alfred Stieglitz, Philadelphia Museum of Art, through May 23.

The 20th-Century Textile Artist, The Art Institute of Chicago, through Aug. 1.

Cezanne to Van Gogh: The Collection of Doctor Gachet, May 25-Aug. 15, and Mirror of the Medieval World, through July 4, both at The Metropolitan Museum of Art, New York.

Is It a Girl or a Boy? Gender Identity and Children's Clothing, Valentine Museum, Richmond, Va., through Feb. 20, 2000.

Devi: The Great...