viii Contents 



vili 



THE UNITED STATES NATIONAL MUSEUM, BY FREDERICK WlLLIAM 



TRUE 303 



IX 



BUREAU OF AMERICAN ETHNOLOGY, BY W J McGEE 367 



X 



THE INTERNATIONAL EXCHANGE SYSTEM, BY WlLLIAM CRAWFORD 



WlNLOCK 397 



XI 



THE ASTROPHYSICAL OBSERVATORY, BY SAMUEL PlERPONT LANGLEY 419 



XII 



THE NATIONAL ZOOLOGICAL PARK, BY FRANK BAKER 443 



XIII 



EXPLORATION WORK OF THE SMITHSONIAN INSTITUTION, BY 



FREDERICK WILLIAM TRUE 459 



XIV 



THE SMITHSONIAN PUBLICATIONS, BY CYRUS ADLER 481 



XV 

 BIOGRAPHICAL SKETCH OF GEORGE BROWN GOODE, BY DAVID 



STARR JORDAN, President of Leland Stanford Junior University .... 501 



I 



PHYSICS, BY THOMAS CORWIN MENDENHALL, President of the Worcester 



Polytechnic Institute 519 



II 



MATHEMATICS, BY ROBERT SIMPSON WOODWARD, Professor of Mechanics, 



Colombia University 561 



