Catalogues. Catalogue of collection of water-color paintings of Grand Canyon of the Colorado, Yellowstone National Park, Yosemite Valley, Zion National Park, Utah National Park, and Monterey coast of California, of special interest to Interior and Agriculture Departments, by Gunnar Widforss, on view in central room of National Gallery, Natural History Building, National Museum, Dec. 10 [1924]-Jan. 10, [1925].