ORTHORHAPHA. 



TIPULID.E. 



The crane-flies are larger than most flies and show 

 many of the parts distinctly, especially the balancers. 

 They have long bodies, and the general aspect of the 

 elongated thoracic region reminds one of the Lepidop- 

 tera. The posterior part of the metathorax is here 



Fig. 206. 



wholly exposed to view, both from above and from 

 the sides (see Fig. 206, f, which is a side view of the 

 thorax and basal portion of the abdomen of Tipula ; 

 Fig. 206, a, \, dorsal view). In the first series of 

 orders, as represented by the locust, squash-bug, etc., 

 the true sessile abdomen makes such a broad connec- 

 tion with the thorax that slight, if any, vertical or 



257 



