VI CONTENTS. 



The Smithsonian Institution— Continued. Page, 



Library 



Correspondence 



National Gallery of Art 20 



Hamilton lecture - -^ 



International congresses --" 



National Museum -^^ 



Bureau of American Ethnology 26 



International Exchanges 26 



National Zoological Park - -' 



Astrophysical Observatory 28 



Necrology ^^ 



Appendixes: 



I. Eeport on the United States National Museum 31 



II. Eeport on the Bureau of American Ethnology 40 



III. Report on the International Exchange Service 53 



IV. Report on the National Zoological Park 67 



V. Report on the Astrophysical Observatory 74 



/ VI. Report of the Librarian 85 



VII. Report of the Editor 89 



GENERAL APPENDIX. 



New IVIeasurements of the Distance of the Sun, by A. R. Ilinks 101 



Photographing Lightning with a Moving Camera, by Alex Larsen 119 



The Tantalum Lamp, by W. Von Bolton and O. Fuerlein 1 29 



Some Refinements of Mechanical Science, by Ambrose Swasey 141 



Progress in Radiography, by L. Gastine - 151 



History of Photography, by Robert Hunt 163 



The Genesis of the Diamond, by Gardner F. Williams 193 



The Cullinan Diamond, by F. H. Hatch and G. S. Corstorphine 211 



Gold in Science and in Industry, by G. T. Beilby 215 



Submarine Navigation, by Sir William H. White 235 



Liberia, by Sir Harry Johnston 247 



The Geographical Results of the Tibet Mission, by Sir Frank Younghusband . 265 

 The Development of Rhodesia and its Railway System in Relation to Oceanic 



Highways, by J. T. P. Heatley 279 



The Ethics of Japan, by Baron Kencho Suyematsu 293 



Plague in India, by Charles Creighton 309 



The Fight against Yellow Fever, by A. Dastre 339 



Luminosity in Plants, by Prof. Hans Molisch 351 



Notes on the Victoria Lyre-Bird, by A. E. Kitson 363 



The Influence of Physical Conditions in the Genesis of Species, by Joel A. 



Allen 375 



Parental Care among Fresh-water Fishes, by Theodore Gill 403 



On the Relations between the United States and Germany, es{)ecially in the 



Field of Science, l>y Herr Wilhelm Waldeyer 533 



Walter Reed, by Walter D. McCaw 549 



Rudolph AlV:)ert von Kolliker, by William Stirling 557 



