LETTER OF TRANSMITTAL. 
CuicaGco, ILuinois, June 1, 1898. 
Dear SIR: 
By direction of the Board of Managers of The Natural History 
Survey of The Chicago Academy of Sciences, I herewith submit to you for 
publication, as Part I. of Bulletin No. III. of the Survey, the report on The 
Mollusca of the Chicago Area, prepared by Frank Collins Baker, Curator of 
The Chicago Academy of Sciences, to be issued under the rules of the Academy 
governing such matters. 
Respectfully, 
WILLIAM K. HIGLeEy, 
THomas C. CHAMBERLIN, Chairman. 
President of The Chicago Academy of Sciences. 
