Lower Hall, walruses in center, circa 1883 

Upper Hall, from American Museum of Natural History, Central Park (77th Street and Eighth Avenue) : photographic views of its buildings and exhibition halls, with a statement of its aims and purposes, 

Geological Hall, mastodon and fossil bird in background circa 1887-1904 

Bird Hall, 2nd Floor, from American Museum of Natural History, Central Park (77th Street and Eighth Avenue) : photographic views of its buildings and exhibition halls, with a statement of its aims and 

Gallery, section 1, third floor, 1883 

Geological Hall circa 1900 

Geological Hall 1882-1904 

Geological Hall 1910 

View of gallery floor, old building, looking south, Bird Hall 1883-1900 

Geological Hall, 1900 

Bird Hall, second floor in main building, looking south, circa 1883-1900 

Geological Hall, 1910 

Geological Hall, 1910 

Geological Hall, 1910 

Exhibit cases, Geology Hall, circa 1900 

Geological Hall, 1910 

Geological Hall, 1910 

View of Bird Hall, with Haida Canoe, second floor, main building, Bird Hall circa 1883-1900 

Exhibit cases, Geology Hall circa 1900 

Display cases, Geological Hall, 1910