90 TRANSACTIONS OF THE ILLINOIS 



SECOND DAY. 



EVENING SESSION. 



The Societ)^ re-assembled at half past seven, in Eichberg's Opera 

 House. 



Mr. Nelson moved that the Society occupy this room for the 

 remainder of the session, which motion prevailed. 



REPORT OF STANDING COMMITTEE ON ENTOMOLOGY. 



Prof. C. V. Riley then proceeded to deliver his Lecture on Ento- 

 mology. * 



The report of Dr. Wm. Le Baron, of the Standing Committee on 

 Entomology, was presented, and, at the request of the Secretary, was read 

 by Prof. McAfee. It was as follows : 



AN ADDRESS UPON NOXIOUS INSECTS IN GENERAL, AND UPON 

 CERTAIN SPECIES IN PARTICULAR. 



BY DR. WM. LE BARON, STATE ENTOMOLOGIST. 



After a severe and well-fought battle, or a hard and protracted war- 

 fare, it is interesting to look back over the field of conflict and see how 

 we stand, what we have gained, and what lost : where our struggles 

 have been crowned with victory, and where we have been marred, 

 or perhaps ruined by defeat. 



So, in the perpetual conflict between man and injurious insects, it is 

 interesting and useful, from time to time, to take a retrospective view for 

 the purpose of determining how far we have been successful, and in 

 what we have failed, and what yet remains to be accomplished. 



As no new noxious insects of serious importance have come to my 

 knowledge within the past year, I propose, on this occasion, to pass in 

 review a few of our old acquaintances among the more notoriously injuri- 

 ous insects, and see how we stand affected towards them at the present 

 day. But before doing so, it will be interesting, for a few moments, to 

 take a more general view of the subject, so as to be able to form some 

 estimate of the extent of the field, and the number of the insect enemies 

 with which we have to deal. 



As insects are injurious to us in every variety of degree, from those 

 which sweep whole harvests before them to those which do little more 



* This Lecture, not having been furnished to the Secretary in time for insertion in its proper place, 

 will be found farther on in the volume. — Sec. 



