INDEX 129 



Page 



Geological laboratories and storage of collections 117, 119, 124 



workshops 104 



Geology, exhibition space for 115, 116, 123 



Heating of building: 



Pipe connections and radiators 83 



System employed 82 



{See also Steam plant.) 



History, American, provision for collection of 7 



Housekeeping rooms 78, 125 



Ice plant 98 



Industrial collections, provision for 7 



Insects, division of, laboratory and storage of collections 117 



Laboratories 101, 104, 106, 117, 124 



(See also under various subjects of collections.) 



Lavatories 78 



Lectures and meetings: 



Area of space allotted to 122, 124 



Auditorium 21, 40, 41 



Rooms for small meetings 105 



Library, space assigned to 103, 124 



Lighting, electric, fixtures 88 



of alcoholic specimen room Ill 



of approaches 90 



of auditorium 43 



of picture gallery 89 



of rotunda 89 



of skylighted halls 89 



outlets, distribution of 87 



patrol system 90 



natural 101, 112, 114, 117 



(See also Windows, Skylights, and Lights, borrowed.) 



Lights, borrowed, and transoms 62, 64, 74 



ceiling, of dome 52 



of wings 57, 59 



Location of building 15 



Mammals, division of, laboratory and storage of collections 104, 124 



exhibition space for 115 



Marine invertebrates, division of, laboratory and storage of collections 106, 108 



Mechanical plant 21 



Area occupied by 124 



(See also Steam plant and Electrical equipment.) 



Minerals and gems, exhibition space for 116 



Mollusks, di\'ision of, laboratory and storage of collections 108, 117 



National collections: 



Buildings occupied by 7 



Character, origin and growth 7 



Condition of, leading to necessity for third building g 



Custodianship in Smithsonian Institution 7 



Natural history branches most prominent 9 



National Gallerj^ of Art 62, 113, 123 



National Museum: 



Establishment of 7 



Relations to Government scientific and economic work 9 



80120°— Bull. 80—13 9 



