468 INDEX 



Pago. 



Exchange of duplicate specimens 36 



Exchange of public documents with foreign nations 40 



Exchanges. Statistics of, 1868 60 



Executive committee. Report for 1868 108 



Statement of finances 13 



Vacancy filled in 118 



Expenditures and receipts during 1863 108 



Explorations and collections in natural history. Account of 22 



Results of, in Arctic America 21 



Fessenden, Hon. W. P. Acts of, as Regent Ill 



Finances. Report on 108 



Fire-ball. Account of 49 



J. H. Coffin.-... 20 



Flourens. History of works of Cuvier 141 



Memoir of Cuvier 121 



Foreign coins. Value of 426 



Foreign distribution of packages for parties in America 63 



Foreman, Dr. E. Aid rendered by 35 



Arrangement of ethnological collections 35 



Forman, S. Collections from 29 



Funds of the Institution. Present condition 13, 14 



Gallery of art. Founded by Mr. Corcoran 45 



Garfield, Hon. J. A. Acts of, as Regent Ill 



Garfield, General J. A. Presentation of memorial to Congress 13 



Gaudet, C. P. Collections from 30 



Geneva. Society of Physics and Natural History, transactions 364 



Geological researches in China, Mongolia, and Japan. R. Pumpelly 17 



Gill, Theodore. Services and investigations 44 



Gold coins. Assay of, at United States mint •. 422 



Weight, fineness, and value of 426 



Grant, Captain E. M. Remarkable stone idol 29 



Gray, Dr. Asa. Botanical services 14 



Gray, Dr. C. C. Collections from '. 30 



Grayson, Colonel. Exploration of Northwestern Mexico 25 



Green, Prof. William Henry. Examination of Morgan's work 20 



Gregory, J. J. H. Ethnological collections from 28 



Grounds. Description of, and needed improvements 51 



Gunn, Donald. Contributions from 23 



Hadley, Prof. Report on Morgan's work 20 



Hagen, G. Memoir of Encke 193 



Hague, Henry. Specimens from '26 



Haley, Mr. Collections from 29 



Hamilton, J. Collections from 29 



Hardisty, Mr. Collections from 30 



Harlem. Holland Society of Sciences 414 



Hayden, Dr. F. V. Explorations by 25 



Hayes, Isaac I. Physical observations in Arctic seas 17 



Heat, mechanical theory of. Dr. Job. MuUer 245 



Heat, recent progress in theory of. A. Caziu 231 



Henry, Prof. Acts of, as Secretary Ill 



Henry, Prof. J. Daily movements of Bunker Hill Monument, etc 287 



Experiments on aneroids 353 



Investigations by, in 1868 38 



Letter submitting report to Congress 3, 4 



