ILLINOIS STATE MUSEUM 



Natural History, 



SPRINGFIELD, ILLINOIS. 



Board of Trustees. 



John P. Altgeld, Governor. 



William H. Hinrichsen, Secretary of State. 



Henry Kaab, Superintendent Public Instruction. 



George Walter Murray, 



Secretary. 

 William F. E. Gurley, 



State Geologist and Curator. 



