PROCEEDINGS 



AMERICAN ACADEMY 



ARTS AND SCIENCES. 



NEW SERIES. 

 YOL. XVII. 



WHOLE SERIES. 

 Vol. XXV. 



FROM MAY, 1889, TO MAY, 1890. 



SELECTED FROM THE RECORDS. 



BOSTON: 



UNIVERSITY TRESS: JOHN WILSON AND SON. 



1890. 



