LETTER OF TRANSMITTAL. 
Office of State Entomologist, 
Champaign, III., Dec. 20, 1888. 
To his Excellency, Richard J. Oglesby, Governor of ihe Stale 
of Illinois: 
Sir: I have the honor to transmit herewith my fifth report as 
State Entomologist of Illinois,—the sixteenth of the series from 
the office,—presenting such part of the results of our work during 
the years 1887 and 1888 as are now in condition for final report. 
Respectfully submitted, 
S. A. Forbes, State Entomologist. 
