Bulletin 



OV THE 



Illinois State Laboratory 



Olf 



Natural History 



Urbana, Illinois, U. S. A. 



STEPHEN A. FORBES, Ph.D., L.L.D., 

 Director 



Vol. X. May, 1915 Article VL 



THE CHIRONOMID.*^, OR MIDGES, OF ILLINOIS, WITH 



PARTICULAR REFERENCE TO THE SPECIES 



OCCURWING IN THE ILLINOIS RIVER 



BY , 



.J 



John R. Malloch 



"^ 



