VI CONTENTS. 



The Smithsonian [nstitution — Continued. Page. 



Publications 18 



Library 21 



International Catalogue of Scientific Literature 23 



Correspondence 25 



Expositions 26 



.Miscellaneous 26 



National Museum 29 



Bureau of American Ethnology 36 



National Zoological Park 38 



Astrc 'physical ( >bservatory 44 



International Exchanges 48 



Necn >li >gy 51 



Appendixes: 



I. Report on the United States National Museum 53 



II. Report on the Bureau of American Ethnology 65 



III. Report on the International Exchange Service 85 



IV. Report on the National Zoological Park 105 



V. Report < hi the Astrophysical Observatory 119 



VI. Report of the Librarian 126 



VII. Report < >!' the Edit. »r 129 



GENERAL APPENDIX. 



The Smithsonian Institution 145 



Some Recent Astronomical Events, l>y ('. <;. Abbot 153 



A Model of Nature, by A. W. Riicker 171 



A Century of the Study of Meteorites, by Oliver C. Farrington 193 



Recent Studies in Gravitation., by John IE Poynting 199 



( >n Ether and Gravitational Matter through Infinite Space, by Lord Kelvin .. 215 



On Bodies Smaller than Atoms, by J. J. Thomson 231' 



The Ex ploration of the Atmosphere at Sea by Means of Kites, by A. Law- 

 rence Rotch 245 



Solid Hydrogen, by James Dewar 251 



Utilizing the Sun's Energy, by Robert H. Thurston 263 



The New Radiations— Cathode Rays and Rontgen Kays, by A. Dastre 271 



Wireless Telegraphy, by < r. Marconi 287 



Transatlantic Telephoning, by William A. Anthony 299 



The Telephonograph, by William J. Hammer 307 



Color Photography, by Sir William J. Herschel 313 



The History of Chronophotography, by Dr. J. Marey 317 



The Aims of the National Physical Laboratory of Great Britain, by R. T. 



< Hazebrook 341 



Emigranl Diamonds in America, by William Herbert Hobbs 359 



Bogoslof Volcanoes, by C. Hart Merriam 367 



The Antarctic Voyage of the Belgica duringth'e Years 1897, 1898, and 1899, by 



Henryk Arctowski 377 



The Sea in the Life of the Nations, by Alfred Kirchoff 389 



Forest Destruction, by Gifford I'inchot and C. Hart Merriam 401 



Irrigation, by F. II. Newell 407 



The Palace of Minos, by Arthur J. Evans 425 



The Engraved Pictures of the Grotto of La Mouthe (Dordogne), by Emile 



Riviere 439 



