^ ATLANTIC BIOLOGICAL STATION 



^" ST. ANDREWS, N. 6. 



IJ C SMITHSONIAN INSTITUTION. 



UNITED STATES NATIONAL MUSEUM. 



BULLETIN 



OF THE 



UNITED STATES NATIONAL MUSEUM. 



No. 45. 



MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPIDi 



BY 



WILLIAM H. AS tl MEAD. 



WASHII?^GTOI5- : U () J i 5 U 



GOTERNMENT PllINTING OFFICE. 



1893. ^ C^^ 



