— V — 



subscribers and public the results of his investigations, and it 

 is thought that the work will be acknowledged to fully justify 

 the steps and expenses incurred. 



The National (iovernment having," carried into effect witli 

 i^reat activity the law passed by Congress for the destruction of 

 locusts, and having secured the services of professional ento- 

 mologists, the commission's work is now drawing to a close; and 

 it is hoped that the report herewith, of much value if only as 

 regards the chapters on the fungus and hibernating habits of 

 the locusts, mav meet with the approval of the subscribers. 



Buenos .\ii\s, Felnuarv IS'is. 



