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ILLINOIS STATE MUSEUM 



NATURAL HISTORY. 



SPRINGFIELD, ILLINOIS. 



Board of Trustees. 



John P. Altgeld, Governor. 



William H. Hinrichsen, Secretary of State. 



S. M. Inglis, Superintendent of Public Instruction. 



George Walter Murray, 



Secretary. 



William F. E. Gurley, 



State Geologist and Curator. 



