Bulletin 



Olf THE 



Illinois State Laboratory 



o» 



Natural History 



Urbana, Illinois, U. S. A. 



STEPHEN A. FORBES, Ph.D., I^.L-D., 

 Director 



Vol. X. May, 1915 Article VI. 



THE CHIRONOMID.^, OR MIDGES, OP ILLINOIS, WITH 



PARTlCULrAR REFERENCE TO THE SPECIES 



OCCURRING IN THE ILLINOIS RIVER 



BY 



John R. Malloch 



