182 



NORTH AMERICAN DIPTERA 



Asilida IX. — 140, Eurhabdus zephyrea; 141, Holcocephala calva ; 142 Taracticus octo- 

 punetaliis; 143, Holopogon guttula; 114, Eumecosoina gibbus ; 145, Bathropsis basalis ; 146, 

 Cerotainia propinqua; 147, Psilonyx, front tarsal claws; 148, Leptogaster, front tarsal claws; 

 149, Leptogaster; 150, Deromyia litoralis ; 151, Eucyrtopogon varipeniiis; 152, Cyrtopogon 

 willistoni ; 153 Senobasis analis. 



