PROCEEDINGS 



OF THB 



AMERICAN ACADEMY 



OP 



AETS AND SCIENCESc 



NEW SERIES. 

 Vol. X. 



WHOLE SERIES. 

 Vol. XVIII. 



FROM MAY, 1882, TO MAY, 1883. 



SELECTED FROM THE RECORDS. 



BOSTON: 



UNIVERSITY PRESS: JOHN WILSON AND SON. 



1883. 



