VI C05fTEXTS. 



Page. 



National Gallery of Art -T 



The art colleetious of Charles L. Freer -S 



The art eolleetiou of Harriet Lane Johnston 29 



National Museum 35 



PJureau of American Ethnology 36 



luteruational Exchanges 37 



National Zoological Park 39 



Astrophysical Observatory 40 



Appendix : 



I. Report on the United States National Museimi 43 



II. Reix>rt on the Bureau of American Ethnology 47 



III. Report on the International Exchanges 51 



lY. Report on the National Zoological I'ark 68 



y. Report on the Astrophysical Observatory 73 



VI. Report on the Library 79 



VII. Report on the Publications 85 



YIII. Report ou the Lewis and Clark Expositi(m 88 



GENERAL APPENDIX. 



The Smithsonian Institution 97 



Modern Theories of Electricity and Matter, by Madame Curie 103 



Radioactivity, by Franz Himstedt 117 



Recent Advances in Wii-eless Telegraphy, by G. Marc-oni 131 



Revisions of the Theory of Electrolysis, by H. S. Carhart 147 



Recent Progress in Astronomical Research, by C. G. Abbot 160 



Astronomy on Mont Blanc, by H. Radau 173 



The Problem of the Metalliferous Veins, by James Fui'uam Kemp 187 



Iron Ore Reserves, by Charles Kenneth Leith 207 



The Geology of the Diamond and Carbonado Washings of Bahia. Brazil. 



by Orville A. Derby 215 



The Eruption of Vesuvius in April. ir»06. by A. Lacroix 223 



To the North Magnetic Pole and through the Northwest Passage, by 



Roald Amundsen 249 



Iceland: Its History and Inhabitants, by HeiT Jon Stefansson 275 



The Recently Disc-overed Tertiary Vertebrata of Egypt, by C. W. Andrews. 295 



Polyembryony and the Determination of Sex. by E. Bugnion 309 



A Contribution to the Moi"phology of the Mammoth. Elephas primigenius 



Blumenbach; with an explanation of my attempt at a restoration, by 



E. Pfizenmayer .321 



Heredity, by L. Cuenot .335 



The Bisons of the Caucasus, by A. Yermoloflf .345 



The Foimding of Colonies by Atta sexdens. by Jakob Huber 355 



Quaternary Human Remains in Central Europe, by Hugues Obermaier__- 373 



The Origin of the Slavs, by Professor Zaborowski 399 



Scalping in America, by Georg Friederici 423 



Zoology and Medicine, by Raphael Blanchard 439 



The Role of Chemistry in Painting, by Eugene Lemaire 453 



Oils. Varnishes, and Mediums Used in the Painting of Pictures, by A. P. 



Laurie 4,59 



National Reclamation of Arid Lands, by C. J. Blanchard 469 



international Science, by Arthur Schuster 493 



Samuel Pierpont Langley, by Cyrus Adler 515 



