WAGNER FREE INSTITUTE OF SCIENCE 

 OF PHILADELPHIA 



TRUSTEES 



SAMUEL WAGNER, President. 

 RICHARD B. WESTBROOK, Treasurer. JOSEPH WILLCOX, Secretary. 



J. VAUGHAN MERRICK, JR. S. T. SKIDMORE. 



HARRISON S. MORRIS. ' SAMUEL TOBIAS WAGNER. 



FACULTY 



HENRY LEFFMANN, A.M., M.D., President of the Faculty. 

 S. T. WAGNER, B.S., C.E., Secretary of the Faculty. 



HENRY LEFFMANN, A.M., M.D., Professor of Chemistry. 



J. T. ROTHROCK, M.D., 



Professor of Botany. 



W. B. SCOTT, A.M., 



Professor of Geology. 



S. T. WAGNER, B.S., C.E., 



Professor of Engineering. 



S. T. SKIDMORE, A.M., 



Professor of Physics. 



ROBERT ELLIS THOMPSON, A.M., 



Professor of History, Literature, 

 and Political Economy. 



THOMAS H. MONTGOMERY, Jr., Ph.D., 

 Professor of Biology. 



WILLIAM HEALEY DALL, A.M., 

 Honorary Professor of Invertebrate Paleontology. 



THOMAS L. MONTGOMERY, A.B., CHARLES W. JOHNSON, 



Actuary and Librarian. Curator of Museum. 



