U. S. NATIONAL MUSEUM 



NORTH PAVILrON 



BULLETIN SO PL. 28 



WEST RANGE 



EAST RANGE 



WEST WING 



EAST WINO 



"- 50UTH PAVILION 



Plan of Third Story. 

 Entirely used for laboratories and the storage of coUeetiona, except a part of the weat wing used for business offices. 



