424 



NORTH AMERICAN DIPTERA 



Taohinidje II.— 18, 19, Acaulona costata; 20. Alophora fumosa; 21, 22, Alophora; 23, 24, 

 Ceratomyi«lla: 25, Euscopolia dakotensis ; 26, 27, CEstrophasia calva; 2cS, 29, Euryceromyia 

 robertsoni, bristles omitted from third vein of winK ; 30, 31, Neophyto setosa (Metopiida;) ; 

 32, 33, Rhinophora mexicana ; 31, Cryptomeigenia; 35, Myiophasia; 36, Binghamimyia ; 37, 38, 

 Hemyda aiirata; 39, Cuphoceia; 40, 41, Wagneria, bristles omitted from veins. 



