ILLINOIS STATE MUSEUM 



OP 



Natural History, 



SPRINGFIELD, ILLINOIS, 



Board of Trustees. 



John P. Altgeld, Governor. 



AViLLiAM H. HiNRiCHSEN, Seci-elary of Sinic 



Henry Raab, Snperinlendent Public Instrucfion. 



George Walter Murray, 



Secrefat ij. 



William F. E. Gdrley, 



Sfatc (jeologisi (tnd Curator. 



