October, '15] COOLEY: AGRICULTURAL COLLEGE EXTENSION WORK 447 



the first place, the agents will naturally apply directly to him for 

 information and he will be in charge of the department's relationships 

 with agents. He will naturally travel much, going from one agent to 

 another and helping in the solution of local problems, looking into 

 outbreaks and aiding in their control. He will naturally aid in survey 

 work in states where this is under way and will contribute to the build- 

 ing up of the department's collections. 



The extension entomologist should be much in demand for lecturing 

 at institutes, in short courses at and away from the home institution 

 and in high schools. In this connection he may equip himself with 

 charts, lantern slides, demonstration materials and life-history exhibits. 

 He may prepare many circulars of information and articles for news- 

 papers. 



In placing emphasis at this time upon the importance and utility of 

 extension service in entomology, the writer wishes particularly to be 

 not understood as losing a sense of perspective or of losing sight of the 

 importance of the other branches. This new movement should be 

 received and adopted by official economic entomologists as a unit to 

 be placed among the other units in the state's entomological system. 

 It will have, therefore, its organic relationship to the other branches 

 of the service. We cannot at this time enter upon a full discussion of 

 these matters, but some comments seem to be timely. 



We have mentioned a primary classification of official entomological 

 service. The fundamental or central branch is undoubtedly research 

 and an effective state organization will necessarily give a large place 

 to investigations which will go deeper and deeper into the unknown 

 and more and more illuminate the whole system. The main interests 

 of entomological departments will undoubtedly continue to be research 

 and teaching. The teacher of entomology, the extension worker and 

 the inspection official must always look to the investigator to supply 

 that element which gives stability to their work. At the same time, 

 in whatever branch of the work one finds himself, it is believed that 

 it is necessary that he keep alive in himself the true spirit of the 

 scientist, a love for the truth, a worthy desire to uncover the unknown 

 and add to knowledge. The extension entomologist can continue safe 

 and reliable only as he keeps in touch with the on-movement of his 

 science. Accordingly, he should be given an opportunity to a limited 

 extent to work out some of the problems that arise in connection with 

 his own work; that is, do some investigational work. He should be 

 always essentially an entomologist even though engaged in extension 

 work. 



Another point that should be made is that, while in the past station 

 entomologists have been expected quite- generally to attend to all mat- 



