94 



[April, 



I have found a similar structure of 1-I.0 r 

 other la.-vae of *«'«.«*.-&„.„;;;,;, V ^ 7. T t"° 



ihe alimentary system of the Bih,-nn,Vl i 



Kg. a.-Alimentirr cansl of Bibionid larvae ■ a -.^ !,'"»,,■ . 



(fig. 2, A) three anterior cappq (n n\ t 



being shorter than the me. ve ft . "T T *'" '™ '^*^"' 



aUmentar, tube, at the j to ! 't " '"V^'T'I""" ^'"^ °' ''"^ 



»w.hort .et.ro. ^hiehi-Lrtrw^is:-: 



