INDEX. 567 



Page. 



Bibliography of apatite -^80 



asbestos '^Od 



bauxite 238 



chromite 251 



clays 352 



coal 428 



cobalt 189 



corundum 227 



cryolite 238 



diamond 167 



emery 227 



graphite 1 73 



limestones 269 



monazite 387 



National Museum for year ending June 30, 1899 125 



nitrates 396 



ocher (paint ores) 245 



orpiment 184 



pyrites 193 



realgar 184 



resins 460 



scheelite 356 



sulphur 181 



Bieberite 187 



Biology, department of, accessions to, list of 27 



changes in 25 



field work in 32 



gift of W. H. Ashmead to 8 



improvements in exhibition halls of 25 



investigations by 32 



personnel of 35 



report of head curator on 25 



use of the collections in 34 



work on study series in 30 



Biotite 293 



Birch-bark canoe east of the Rocky Mountains 528 



Bird, Henry, collections of insects consulted by 58 



Birds, division of, condition of exhibition series in 26 



work on the study series in 30 



Birds' eggs, section of, accessions to 28 



Bitumen series 429 



albertite 446 



asphaltum 441 



carbonite 449 



elaterite 446 



grahamite 447 



manjak 445 



marsh gas 433 



natural gas 433 



petroleum 434 



uintaite 450 



wurtzillite 446 



Bitumens, tabulated classification of 430 



