634 



UNITED STATES NATIONAL MUSEUM BULLETIN 224 



509 



Figures 509-520. — 509, Stichopogon elegantulus 

 Meigen. 510, Dakinomyia froggattii Dakin and 

 Fordham. 511, Bathypogon asiliformis Loew. 



512, Bathypogon {Creolestes) hirtuosus Schiner. 



513, Habropogon striatus Fabricius. 514, Town- 

 sendia minuta Williston. 515, Mecynopus pul- 



verulentus Engel. 516, Par ataractic us ruhidus Cole. 

 517, Coleomyia sculleni Wilcox and Martin. 518, 

 Omninablautus arenosus Pritchard. 519, Austen- 

 myia amazona Carrera. 520, Neolaparus bifidus 

 Wulp. 



