PROCEEDINGS 



OF THE 



AMERICAN ACADEMY 



OF 



ARTS AND SCIENCES. 



NEW SERIES. 

 Vol. XIX. 



WHOLE SERIES. 

 Vol. XXVII. 



FROM MAY, 1891, TO MAY, 1892. 



SELECTED FROM THE RECORDS. 



BOSTON: 



UNIVERSITY PRESS: JOHN WILSON AND SON. 



1893. 



