INDEX. 



Page. 



Accounts. Report of Special Committee on G7, 78 



Acknowledgments to transportation companies 25 



to societies and individuals 27 



to exchange agents 26 



to donors to library 28 



to donors to museum ^ 46 



Aeronautics. Experiments on 292 



Agassiz, Prof. L. Acts of, as regent 72, 73, 74, 75, 76 



Articles referred to 31 



On glacial drift 32 



Agents of the Institution 26 



Agriculture. Department of: Monthly Bulletin 25 



Museum of ]7 



Alexander, C. A. Translations by 23,91,127,142,173,209,211, 



255, 291, 328, 363, 374, 413, 425, 432 



Allen, Mr. Explorations by 27 



Allen, Dr. H. On bats 19 



Specimens referred to 28 



American Migration, by F. Von Hellwald 328 



Anorthoscope. Plateau's 216 



Anthropology. Statistics relative to : 371 



Antiquities of Lake Pepi.u 366 



Mississippi river 366 



Olmutz 363 



United States 346,356,359 



Antwerp Alrchajological Congress 374 



Appendix to the Report of the Secretary 89 



Arago's exppriments on colors 238 



Archaeological Congress, Antwerp. Programme of 374 



Archaeology 303, 328, 346, 356, 359, 363, 366, 368, 370, 374 



Arctic meteorology 19 



Army museum .... 17 



Astor, William B. Acts, of, as regent 72 



Astronomy. Dawes's researches 209 



Physical, Huggins's researches 195 



Atmosphere. Wetherill's plan of research on 396 



Aurora in Russian America 411 



Observation of 405 



Bache, Prof. Alex. D. Action of Board of Regents relative to death of 76 



Bailey, S. A. Specimens referred to 28 



Baird, Piof. S. F. Account of explorations 28 



Report for 1866 37 



Re^^ew of American birds 19 



Bannister, H. M. Explorations by 26 



Barometer. Horary variation of, by M. Vaillant 413 



Observations of maximum and minimum 408 



