LETTER OF TRANSMITTAL 



CHICAGO, ILL., October i, 1906. 

 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 a report on The Trilobita, to be 

 issued, under the rules of the Academy governing such matters, 

 .as Part II of Bulletin No. IV, on The Paleontology of the Nia- 

 :garan Limestone in the Chicago Area, prepared by^Stuart Weller 

 of the University of Chicago. 



Respectfully, 



WILLIAM K. HIGLEY, 



Chairman 

 To THOMAS C. CHAMBERLIN, 



President of The Chicago Academy of Sciences. 



