HEX APOD A : DIPTEBA OE FLIES, ETC. 

 FIG. 412. 



317 



Foot of a Fly. 

 FIG. 413. 



1 ... 



Tongue of the common Fly. a, lobes of the ligula ; b, portions inclosing the lan- 

 cets ; c, maxillary palpi. 



