V 



Bulletin 



Olf THE 



Illinois State Laboratory 



o» 



Natural History 



Urbana, Illinois, U. S. A. 



STEPHEN A. FORBES, Ph.D., E.L.D., >.>.-- 



Director ^-^0 



Vol. X. May, 1915 Article VL 



THE CHIRONOMID.E, OR MIDGES, OF ILLINOIS, WITH 



PARTICULAR REFERENCE TO THE SPECIES 



OCCURRING IN THE ILLINOIS RIVER 



BY 



John R. Malloch 



