90 c 



Cnutnlioti Arctic K.r/H'd/t/oti. If) 1.1- IS 



PLAT!.'. X. 



34- 



40 



Dipteni collected l>v the ( ':tiiadi;in Arctic Kxpedition, l ( .H:j- 1<>. 

 the Tipulidir :uid 



