AS  Académie  royale  des  sciences, 
2^2  des  lettres  et  des  beaux-arts 
BjA  de  Belgique 
no. 87-89         Annuaire 
PLEASE  DO  MOT  REMOVE 
CARDS  OR  SLIPS  FROM  THIS  POCKET 
UNIVERSITY  OF  TORONTO  LIBRARY 
