LIST OF ILLUSTRATIONS 



FACING 

 PAGE 



HENRY WILSON, Senator from Massachusetts, and afterwards, Vice-President of the 



United States, who introduced the bill incorporating the Academy 16 



PRESIDENTS OF THE NATIONAL ACADEMY OF SCIENCES 



ALEXANDER DALLAS BACHE (1863-1867) 32 



JOSEPH HENRY (1868-1878) 48 



WILLIAM BARTON ROGERS (1879-1882) 80 



OTHNIEL CHARLES MARSH (1883-1895) 208 



WOLCOTT GIBBS (1895-1900) 224 



ALEXANDER AGASSIZ (1901-1907) 240 



IRA REMSEN (1907-1913) 256 



HENRY DRAPER MEDAL 272 



LAWRENCE SMITH MEDAL 288 



WATSON MEDAL 302 



DIPLOMA OF THE ACADEMY , 320 



