PROCEEDINGS 



OF THE 



AMERICAN ACADEMY 



OF 



ARTS AND SCIENCES. 



NEW SERIES. 

 Vol. XX. 



WHOLE SERIES. 

 Vol. XXVIII. 



FROM MAY, 1892, TO MAY, 1893. 



SELECTED FROM THE RECORDS. 



BOS T N : 



UNIVERSITY PRESS: JOHN WILSON AND BON. 



1893. 



