816 



AETHROPODA 



PHYLUM VII 



Tertiary of North America tlie same suborder is abundantly represented, especially 

 in the Miocene lake beds of Colorado, where thousands of individuals and hundreds 

 of species have been found. The suboi'der Cyclorrapha is likewise well represented 



Fig. 1684. 



Penthetria falcahda Handl. Oligocene ; 

 British Culuinbia. 3/j. 



Fig. 1582. 



Nccromyza pedata Scudder. Miocene ; Oeningen, 

 Baden. I'-^/j (after Scudder). 



Fig. 1585. 



Chironomus meyeri Heer. Miocene ; Oeningen, 

 Baden. *>/j (after Heer). 



Bihio sticheli lla,w\\. 9 Miocene; Gotschee, Carintliia. 

 •J/i (after Handlirsch). 



Pio. 1586. 



I'ltlonhohis Jlorigerus Scudder. 

 .Miocene lake beds ; Fl(iris.sant, 

 Colorado, ^/i (after Scudder). 



in the Miocene of Colorado, where numerous species occur, also in British Columbia, 

 arid in the Green River Eocene of AVyoining. In the European Tertiary nearly all 

 of the modern families are represented, a few examples of which are shown in the 

 accompanying Figs. 1582-86. The most interesting genus from the Florissant locality 

 is Glossina, the tsetse fly, two species of which occur here but not elsewhere in the 

 western world. 



