THE PTEROMALIDAE OF NORTH- 

 WESTERN EUROPE 

 (HYMENOPTERA: CHALCIDOIDEA) 



BY 



MARCUS WILLIAM ROBERT DE VERE GRAHAM 



Hope Dept. of Entomology, University Museum, Oxford. 



686 Text-figures 



BULLETIN OF 

 THE BRITISH MUSEUM (NATURAL HISTORY) 

 ENTOMOLOGY Supplement 16 



LONDON: 1969 



