548 EXPERIMENT STATION RECORD. 



unskilled ussi.stsints, and it was urj^cd that original and indcpondont 

 work of assistants was most worthy of recognition and personal erodit 

 in tlM> pul)lieation of entomological literature. 



O. H. Swczey discussed the life history of Lihiirnia campestrtH. It 

 was found that the larva^ appear about 2 weeks after the time of pair- 

 ing of the adult insects. The young nymphs reach full growth in 

 al)out weeks. L. hitidenta was compared with the above species 

 and notes were given on h3aiienopterous parasites of this insect. 



The sessions of Section I on Social and Economic Science, were 

 devoted to the labor problem; the economic aspects of the new agri- 

 culture; the status of instruction in social and economic science in 

 schools, colleges, and universities; and on commerce, tinances, and 

 government. The session which proved to be most interesting and 

 developed the most lively discussion was that on the economic aspects 

 of agriculture, previously referred to (p. 422). 



