392 



NORTH AMERICAN DIPTERA 



Muscida? III. — 33, Scopeuma; 34, Spaziphora; 35, Cyrtoneurina; 36, Cyrtoneuropsis 

 rescita; 37, Myospila meditabunda; 38, Orthacheta; 39, Aehaetella varipes; 40, Hydromyza 

 confluens; 41, Acicephala polita, hair on third antennal segment not shown; 42, Morellia; 43, 

 Pselaphelphila; 44, Moreliia; 45, Graphoin>a maculata. 



