¥flGNER FREE INSTITUTE OF SCIENCE 



PHILADELPHIA. 



TRUSTEES. 



Samuel Wagner, President. Richard B. Westbrook, Treasurer. 



Joseph Willcox, Secretary. 

 J. Vaughan Merrick. S. T. Skidmore. John Baird. 



Actuary and Librarian, Curator of ]\[useiiin, 



Thomas L. Montgomery. Charles W. Johnson. 



