260 



NORTH AMERICAN DIPTERA 



122 



135 



Syiiihida» VII. — 115. Somula decora; 116. C> norhinella bella; 117, Criopiora cjanella; 

 118. Pocota grandis; 119, Chr.vsosomidia pulchei ; 120, Sphecomyia pattoni ; 121, Senogaster; 

 122, Milesia; 123, Somula decora; 124, 12.5, Eumyiolepta, ?, o\ head: 126, Cyniorhinella bella; 

 127, Pocota; 128, Chrysosomidia pulcher; 129. Sphecomyia pattoni; 130, Heliophilus pigra ; 131, 

 Senogaster; 132, Temnostoma alternans; 133. 134, Syritta pipiens, head and hind leg; 135, 

 Tropidia (luadrata ; 136, Teuchociiemis, hind les. 



