NATURAL HISTORY BUILDING 123 



Square feet 

 Small rooms: One in north wing, 357 square feet; five in 



south pavilion, 669 square feet 1, 026 



Stairs and elevators 2, 428 



Total area of second story 86,357 



Third story. 



Laboratories and stoi'age of collections: East wing, 16,354 

 square feet ; west wing. 8,534 square feet ; north wing, 12,886 



square feet ; east and west ranges, each 15,847 square feet— 69,468 



Exhibition space: South pavilion gallery 3,875 



General offices and adjoining corridor, west wing 7, 820 



Toilet rooms, north wing 1,260 



Housekeeping rooms, north wing 333 



Four small rooms in south pavilion 759 



Stairs and elevators 2,913 



Total area of third story 86,428 



Attic story. 



Storage of collections : East and west wings, each 15,798 square 



feet; north wing. 14,021 square feet 45,617 



Gallery in south pavilion, available for exhibition purposes 4, 704 



Three small rooms in south pavilion 479 



Space occupied by ventilating chambers 2, 262 



Stairs and elevators 1,618 



Total area of attic story 54,680 



Total area of building 468,118 



APPORTIONMENT OF SPACE BY SUBJECTS 



'North entrance: 



Vestibule 763 



Lobby 4, 209 



4, 972 



Public exhibition space: 



Anthropology: Ethnology, part of north wing and northern 

 sections of east and west ranges, first story, 35,474 

 square feet ; archeology, north wing and east range, sec- 

 ond story, 30,467 square feet 65,941 



Biology: Mammals and birds, west wing and western sec- 

 tion of west range, first story, 31,764 square feet; rep- 

 tiles, fishes, invertebrates and special installations, west 

 wing and west range, second story, 32.634 square feet— 64, 398 



Geolog-y: Systematic geology, eastern section of east range, 

 first story, 6,769 square feet; applied geology and min- 

 eralogy, east wing, second story, 15,927 square feet; 

 paleontology, east wing, first story, 24,995 square feet— 47, 691 



National Gallery of Art: Central part of north wing, first 

 story 7, 264 



