SMITHSONIAN MISCELLANEOUS COLLECTIONS 



PART OF VOLUME LI 



THE TAXONOMY OF THE MUSCOIDEAN 



FLIES, INCLUDING DESCRIPTIONS 



OF NEW GENERA AND 



SPECIES 



CHARLES H. T. TOWNSEND, B. Sc. 



In Charge of Collections of Muscoidean Flies, U. S. National Museum 



«ti^ 



WA'% 



fc 





No. 1803 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



1908 



