PREFACE. 



THIS Catalogue has been compiled with much care by 

 Mr. Claude Morley, who has for some years past made the 

 Parasitic Hymeuoptera his special study. As there is no 

 published Catalogue of British Chalcididae, and as Mr. Morley 

 has recently arranged the Museum Collection in accordance 

 with his own views, the Trustees have thought well to have 

 his manuscript printed. It is hoped that the publication of 

 the Catalogue will stimulate the study of this somewhat 

 neglected family. 



SIDNEY F. HAEMEE. 



British Museum (Natural History), 

 March 2nd, 1910. 



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