I)i /)l( in 



s, I 



Plate VII. 



' <■! A^A**^ 



'■!':. ' : - :,..-: J/H^TWKfc ^ 



10 



JJ 



12 



J<3 



Diptera collected by the Canadian Arctic Expedition, L913-16. 

 (Excluding the Tipulidse and Culicidce). 



