publisher of On the Chinch Bug (Blissus Leucopterus, Say) in Illinois : Present Condition, and Prospects for 1887 and 1888 : Remedial Procedure Recommended. Champaign, Ill.. 1887 Second Contribution to a Knowledge of the Life History of the Hessian Fly, (Cecidomyia Destructor, Say). Champaign, Ill.. 1887
