VI CONTENTS. 



The Smithsonian Institution — Continued. Page. 



Explorations - 10 



Publications 10 



Library 13 



Correspondence 14= 



Miscellaneous : 



Nashville Exposition 15 



Glover Collection 15 



Catalogue of Egyptian Papyri and Koyal Antiquities 15 



Congress of Orientalists IB 



United States National Museum 16 



Bureau of American Ethnology 19 



International Exchanges i^l 



National Zoological Park 22 



Astrophysical Observatory 27 



Appendixes : 



Appendix I. Eeport on the National Museum 29 



II. Report on the Bureau of American Ethnology 33 



III. Report of the Curator of Exchanges. -.. 46 



IV. Reportof the Superintendent of the National Zoological Park 56 

 V. Report on the Astrophysical Observatory 66 



VI. Report of the Librarian 69 



VIL Report of the Editor 71 



GENERAL APPENDIX. 



Aspects of American Astronomy, by Simon Newcomb 85 



The Beginnings of American Astronomy, by Edwsad S. Holden 101 



The Evolution of Satellites, by G. H. Darwin 109 



Electrical Advance in the Past Ten Years, by Elihu Thomson 125 



The X-Rays, by W. C. Rontgen 137 



Cathode Rays, by J. J. Thomson 157 



Story of Experiments in Mechanical Flight, by S. P. Langiey 169 



On Soaring Flight, by E. C. Huffaker 183 



The Revival of Alchemy, by H. C. Bolton 207 



Diamonds, by William Crookes 219 



The Discovery of New Elements within the Last Twenty-Five Years, by 



Clemens Winkler 237 



An Undiscovered Gas, by William Ramsay 247 



Fluorine, b j'^ Henri Moissan 259 



Light, and its Artificial Production, by O. Lummer 273 



Explorations of the Upper Atmosphere, by Henri de Graffigny 301 



The Exploration of the Free Air by Means of Kites at Blue Hill Observatory, 



by A. Lawrence Rotch 317 



The Debt of the World to Pure Science, by John J. Stevenson 325 



The Age of the Earth as an Abode Fitted for Life, by Lord Kelvin 337 



Rising of the Land Around Hudson Bay, by Robert Bell 359 



Crater Lake, Oregon, by J. S. Diller 369 



The Function and Field of Geography, by J. Scott Keltic 381 



Letters from the Andr6e Party 401 



Scientific Advantages of an Antarctic Expedition, by John Murray and others. 413 



Recent Progress in Physiology, by Michael Foster 437 



The Factors of Organic Evolution from a Botanical Standpoint, by L. H. Bailey 453 



